Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2668984141', 'doi': 'https://doi.org/10.1134/s003744661703003x', 'title': 'An extremal problem in the Hardy space H p for 0<p<∞', 'display_name': 'An extremal problem in the Hardy space H p for 0<p<∞', 'publication_year': 2017, 'publication_date': '2017-05-01', 'ids': {'openalex': 'https://openalex.org/W2668984141', 'doi': 'https://doi.org/10.1134/s003744661703003x', 'mag': '2668984141'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1134/s003744661703003x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S94840338', 'display_name': 'Siberian Mathematical Journal', 'issn_l': '0037-4466', 'issn': ['0037-4466', '1573-9260'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320267', 'host_organization_name': 'Pleiades Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320267', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Pleiades Publishing', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5082519779', 'display_name': 'Kh. Kh. Burchaev', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I114650741', 'display_name': 'Chechen State University', 'ror': 'https://ror.org/004ze6w33', 'country_code': 'RU', 'type': 'education', 'lineage': ['https://openalex.org/I114650741']}], 'countries': ['RU'], 'is_corresponding': True, 'raw_author_name': 'Kh. Kh. Burchaev', 'raw_affiliation_strings': ['Chechnya State University, Groznyĭ, Russia'], 'affiliations': [{'raw_affiliation_string': 'Chechnya State University, Groznyĭ, Russia', 'institution_ids': ['https://openalex.org/I114650741']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5026518626', 'display_name': 'V. G. Ryabykh', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I137534880', 'display_name': 'Southern Federal University', 'ror': 'https://ror.org/01tv9ph92', 'country_code': 'RU', 'type': 'education', 'lineage': ['https://openalex.org/I137534880']}], 'countries': ['RU'], 'is_corresponding': False, 'raw_author_name': 'V. G. Ryabykh', 'raw_affiliation_strings': ['Southern Federal University, Rostov-on-Don, Russia'], 'affiliations': [{'raw_affiliation_string': 'Southern Federal University, Rostov-on-Don, Russia', 'institution_ids': ['https://openalex.org/I137534880']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5072393853', 'display_name': 'G. Yu. Ryabykh', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210097717', 'display_name': 'Don State Technical University', 'ror': 'https://ror.org/00x5je630', 'country_code': 'RU', 'type': 'education', 'lineage': ['https://openalex.org/I4210097717']}], 'countries': ['RU'], 'is_corresponding': False, 'raw_author_name': 'G. Yu. Ryabykh', 'raw_affiliation_strings': ['Don State Technical University, Rostov-on-Don, Russia'], 'affiliations': [{'raw_affiliation_string': 'Don State Technical University, Rostov-on-Don, Russia', 'institution_ids': ['https://openalex.org/I4210097717']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5082519779'], 'corresponding_institution_ids': ['https://openalex.org/I114650741'], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.392624, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 64, 'max': 71}, 'biblio': {'volume': '58', 'issue': '3', 'first_page': '392', 'last_page': '404'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10884', 'display_name': 'Complex Analysis and Operator Theory', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2604', 'display_name': 'Applied Mathematics'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10884', 'display_name': 'Complex Analysis and Operator Theory', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2604', 'display_name': 'Applied Mathematics'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11822', 'display_name': 'Geometric Function Theory and Complex Analysis', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2608', 'display_name': 'Geometry and Topology'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11049', 'display_name': 'Harmonic Analysis and Operator Theory', 'score': 0.9989, 'subfield': {'id': 'https://openalex.org/subfields/2604', 'display_name': 'Applied Mathematics'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/hardy-spaces', 'display_name': 'Hardy Spaces', 'score': 0.543421}, {'id': 'https://openalex.org/keywords/analytic-functions', 'display_name': 'Analytic Functions', 'score': 0.514291}, {'id': 'https://openalex.org/keywords/unit-disk', 'display_name': 'Unit disk', 'score': 0.46061066}, {'id': 'https://openalex.org/keywords/function-space', 'display_name': 'Function space', 'score': 0.42623204}], 'concepts': [{'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.8574598}, {'id': 'https://openalex.org/C42178598', 'wikidata': 'https://www.wikidata.org/wiki/Q1585233', 'display_name': 'Hardy space', 'level': 2, 'score': 0.7914356}, {'id': 'https://openalex.org/C205979905', 'wikidata': 'https://www.wikidata.org/wiki/Q215084', 'display_name': 'Analytic function', 'level': 2, 'score': 0.7092001}, {'id': 'https://openalex.org/C2778572836', 'wikidata': 'https://www.wikidata.org/wiki/Q380933', 'display_name': 'Space (punctuation)', 'level': 2, 'score': 0.6881719}, {'id': 'https://openalex.org/C178635117', 'wikidata': 'https://www.wikidata.org/wiki/Q747499', 'display_name': 'RADIUS', 'level': 2, 'score': 0.6055929}, {'id': 'https://openalex.org/C14036430', 'wikidata': 'https://www.wikidata.org/wiki/Q3736076', 'display_name': 'Function (biology)', 'level': 2, 'score': 0.5869962}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.47837296}, {'id': 'https://openalex.org/C47177299', 'wikidata': 'https://www.wikidata.org/wiki/Q2390323', 'display_name': 'Unit disk', 'level': 2, 'score': 0.46061066}, {'id': 'https://openalex.org/C142730499', 'wikidata': 'https://www.wikidata.org/wiki/Q934367', 'display_name': 'Function space', 'level': 2, 'score': 0.42623204}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.41008246}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.37313408}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.044128478}, {'id': 'https://openalex.org/C38652104', 'wikidata': 'https://www.wikidata.org/wiki/Q3510521', 'display_name': 'Computer security', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C78458016', 'wikidata': 'https://www.wikidata.org/wiki/Q840400', 'display_name': 'Evolutionary biology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C111919701', 'wikidata': 'https://www.wikidata.org/wiki/Q9135', 'display_name': 'Operating system', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1134/s003744661703003x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S94840338', 'display_name': 'Siberian Mathematical Journal', 'issn_l': '0037-4466', 'issn': ['0037-4466', '1573-9260'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320267', 'host_organization_name': 'Pleiades Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320267', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Pleiades Publishing', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 7, 'referenced_works': ['https://openalex.org/W1481997517', 'https://openalex.org/W1493277723', 'https://openalex.org/W1979720082', 'https://openalex.org/W1992187022', 'https://openalex.org/W2037612300', 'https://openalex.org/W2044944146', 'https://openalex.org/W2529690676'], 'related_works': ['https://openalex.org/W4368406995', 'https://openalex.org/W4360921629', 'https://openalex.org/W3097857285', 'https://openalex.org/W3016844284', 'https://openalex.org/W2116755094', 'https://openalex.org/W2086918857', 'https://openalex.org/W2070806417', 'https://openalex.org/W1997989118', 'https://openalex.org/W1497735364', 'https://openalex.org/W1495823515'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2668984141', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}], 'updated_date': '2024-09-19T13:48:08.530580', 'created_date': '2017-06-30'}