Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W874526148', 'doi': 'https://doi.org/10.4064/sm-42-3-243-248', 'title': 'On the Fourier series of functions of bounded Φ-variation', 'display_name': 'On the Fourier series of functions of bounded Φ-variation', 'publication_year': 1972, 'publication_date': '1972-01-01', 'ids': {'openalex': 'https://openalex.org/W874526148', 'doi': 'https://doi.org/10.4064/sm-42-3-243-248', 'mag': '874526148'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.4064/sm-42-3-243-248', 'pdf_url': 'https://www.impan.pl/shop/publication/transaction/download/product/98351?download.pdf', 'source': {'id': 'https://openalex.org/S7365561', 'display_name': 'Studia Mathematica', 'issn_l': '0039-3223', 'issn': ['0039-3223', '1730-6337'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310317485', 'host_organization_name': 'Polish Academy of Sciences', 'host_organization_lineage': ['https://openalex.org/P4310317485'], 'host_organization_lineage_names': ['Polish Academy of Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://www.impan.pl/shop/publication/transaction/download/product/98351?download.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5076878850', 'display_name': 'Albert Baernstein', 'orcid': None}, 'institutions': [], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Albert Baernstein Ii', 'raw_affiliation_strings': ['Syracuse, N. Y., U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Syracuse, N. Y., U.S.A.', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5076878850'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.214, 'has_fulltext': False, 'cited_by_count': 13, 'citation_normalized_percentile': {'value': 0.763986, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 85, 'max': 86}, 'biblio': {'volume': '42', 'issue': '3', 'first_page': '243', 'last_page': '248'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11049', 'display_name': 'Harmonic Analysis and Operator Theory', 'score': 0.9866, '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/T11049', 'display_name': 'Harmonic Analysis and Operator Theory', 'score': 0.9866, '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/T11545', 'display_name': 'Theory of Banach Spaces and Operators', 'score': 0.9648, 'subfield': {'id': 'https://openalex.org/subfields/2610', 'display_name': 'Mathematical Physics'}, '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/T12062', 'display_name': 'Statistical Convergence in Approximation Theory and Functional Analysis', 'score': 0.9589, 'subfield': {'id': 'https://openalex.org/subfields/2613', 'display_name': 'Statistics and Probability'}, '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/bounded-variation', 'display_name': 'Bounded variation', 'score': 0.6814786}, {'id': 'https://openalex.org/keywords/fourier-multiplier-theorems', 'display_name': 'Fourier Multiplier Theorems', 'score': 0.629828}, {'id': 'https://openalex.org/keywords/variation', 'display_name': 'Variation (astronomy)', 'score': 0.62009645}, {'id': 'https://openalex.org/keywords/holomorphic-functions', 'display_name': 'Holomorphic Functions', 'score': 0.602144}, {'id': 'https://openalex.org/keywords/approximation-theory', 'display_name': 'Approximation Theory', 'score': 0.565455}, {'id': 'https://openalex.org/keywords/functional-analysis', 'display_name': 'Functional Analysis', 'score': 0.564127}, {'id': 'https://openalex.org/keywords/bernstein-polynomials', 'display_name': 'Bernstein Polynomials', 'score': 0.563609}], 'concepts': [{'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.86707366}, {'id': 'https://openalex.org/C207864730', 'wikidata': 'https://www.wikidata.org/wiki/Q179467', 'display_name': 'Fourier series', 'level': 2, 'score': 0.78497577}, {'id': 'https://openalex.org/C27851653', 'wikidata': 'https://www.wikidata.org/wiki/Q829653', 'display_name': 'Bounded variation', 'level': 2, 'score': 0.6814786}, {'id': 'https://openalex.org/C143724316', 'wikidata': 'https://www.wikidata.org/wiki/Q312468', 'display_name': 'Series (stratigraphy)', 'level': 2, 'score': 0.64594173}, {'id': 'https://openalex.org/C2778334786', 'wikidata': 'https://www.wikidata.org/wiki/Q1586270', 'display_name': 'Variation (astronomy)', 'level': 2, 'score': 0.62009645}, {'id': 'https://openalex.org/C34388435', 'wikidata': 'https://www.wikidata.org/wiki/Q2267362', 'display_name': 'Bounded function', 'level': 2, 'score': 0.5896086}, {'id': 'https://openalex.org/C102519508', 'wikidata': 'https://www.wikidata.org/wiki/Q6520159', 'display_name': 'Fourier transform', 'level': 2, 'score': 0.4913408}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.3324031}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.044164628}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.4064/sm-42-3-243-248', 'pdf_url': 'https://www.impan.pl/shop/publication/transaction/download/product/98351?download.pdf', 'source': {'id': 'https://openalex.org/S7365561', 'display_name': 'Studia Mathematica', 'issn_l': '0039-3223', 'issn': ['0039-3223', '1730-6337'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310317485', 'host_organization_name': 'Polish Academy of Sciences', 'host_organization_lineage': ['https://openalex.org/P4310317485'], 'host_organization_lineage_names': ['Polish Academy of Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.4064/sm-42-3-243-248', 'pdf_url': 'https://www.impan.pl/shop/publication/transaction/download/product/98351?download.pdf', 'source': {'id': 'https://openalex.org/S7365561', 'display_name': 'Studia Mathematica', 'issn_l': '0039-3223', 'issn': ['0039-3223', '1730-6337'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310317485', 'host_organization_name': 'Polish Academy of Sciences', 'host_organization_lineage': ['https://openalex.org/P4310317485'], 'host_organization_lineage_names': ['Polish Academy of Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4300576100', 'https://openalex.org/W2793250783', 'https://openalex.org/W2389758888', 'https://openalex.org/W2356614471', 'https://openalex.org/W2350325755', 'https://openalex.org/W2078990828', 'https://openalex.org/W200911685', 'https://openalex.org/W2000661607', 'https://openalex.org/W1977867503', 'https://openalex.org/W1485170658'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W874526148', 'counts_by_year': [{'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-09-18T06:59:10.467310', 'created_date': '2016-06-24'}