Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2077215238', 'doi': 'https://doi.org/10.1007/bf01093119', 'title': 'Pseudo-injective modules and self-pseudo-injective rings', 'display_name': 'Pseudo-injective modules and self-pseudo-injective rings', 'publication_year': 1970, 'publication_date': '1970-03-01', 'ids': {'openalex': 'https://openalex.org/W2077215238', 'doi': 'https://doi.org/10.1007/bf01093119', 'mag': '2077215238'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf01093119', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S16116274', 'display_name': 'Mathematical Notes', 'issn_l': '0001-4346', 'issn': ['0001-4346', '1067-9073', '1573-8876'], '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/A5019687193', 'display_name': 'G. M. Tsukerman', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I19880235', 'display_name': 'Lomonosov Moscow State University', 'ror': 'https://ror.org/010pmpe69', 'country_code': 'RU', 'type': 'education', 'lineage': ['https://openalex.org/I19880235']}], 'countries': ['RU'], 'is_corresponding': True, 'raw_author_name': 'G. M. Tsukerman', 'raw_affiliation_strings': ['M, V. Lomonosov Moscow State University, USSR'], 'affiliations': [{'raw_affiliation_string': 'M, V. Lomonosov Moscow State University, USSR', 'institution_ids': ['https://openalex.org/I19880235']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5019687193'], 'corresponding_institution_ids': ['https://openalex.org/I19880235'], 'apc_list': None, 'apc_paid': None, 'fwci': 0.436, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 44, 'citation_normalized_percentile': {'value': 0.857585, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '7', 'issue': '3', 'first_page': '220', 'last_page': '226'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11703', 'display_name': 'Study of properties and structures of commutative rings', 'score': 0.9965, 'subfield': {'id': 'https://openalex.org/subfields/2602', 'display_name': 'Algebra and Number Theory'}, '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/T11703', 'display_name': 'Study of properties and structures of commutative rings', 'score': 0.9965, 'subfield': {'id': 'https://openalex.org/subfields/2602', 'display_name': 'Algebra and Number Theory'}, '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/T11727', 'display_name': 'Fuzzy Logic and Residuated Lattices', 'score': 0.9046, 'subfield': {'id': 'https://openalex.org/subfields/1703', 'display_name': 'Computational Theory and Mathematics'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/divisible-group', 'display_name': 'Divisible group', 'score': 0.47923115}, {'id': 'https://openalex.org/keywords/horizontal-line-test', 'display_name': 'Horizontal line test', 'score': 0.46424827}, {'id': 'https://openalex.org/keywords/quasi-baer-rings', 'display_name': 'Quasi-Baer Rings', 'score': 0.45066}], 'concepts': [{'id': 'https://openalex.org/C128107574', 'wikidata': 'https://www.wikidata.org/wiki/Q182003', 'display_name': 'Injective function', 'level': 2, 'score': 0.84320545}, {'id': 'https://openalex.org/C99463465', 'wikidata': 'https://www.wikidata.org/wiki/Q2716519', 'display_name': 'Injective module', 'level': 3, 'score': 0.57269174}, {'id': 'https://openalex.org/C77461463', 'wikidata': 'https://www.wikidata.org/wiki/Q7827201', 'display_name': 'Torsion (gastropod)', 'level': 2, 'score': 0.55331224}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.52916455}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.4975653}, {'id': 'https://openalex.org/C154441711', 'wikidata': 'https://www.wikidata.org/wiki/Q1782332', 'display_name': 'Divisible group', 'level': 5, 'score': 0.47923115}, {'id': 'https://openalex.org/C13245926', 'wikidata': 'https://www.wikidata.org/wiki/Q985704', 'display_name': 'Horizontal line test', 'level': 2, 'score': 0.46424827}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.11410391}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.05257505}, {'id': 'https://openalex.org/C105702510', 'wikidata': 'https://www.wikidata.org/wiki/Q514', 'display_name': 'Anatomy', 'level': 1, 'score': 0.03481269}, {'id': 'https://openalex.org/C136170076', 'wikidata': 'https://www.wikidata.org/wiki/Q181296', 'display_name': 'Abelian group', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C81008192', 'wikidata': 'https://www.wikidata.org/wiki/Q1017231', 'display_name': 'Elementary abelian group', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C163572010', 'wikidata': 'https://www.wikidata.org/wiki/Q2912125', 'display_name': 'G-module', 'level': 4, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf01093119', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S16116274', 'display_name': 'Mathematical Notes', 'issn_l': '0001-4346', 'issn': ['0001-4346', '1067-9073', '1573-8876'], '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': 4, 'referenced_works': ['https://openalex.org/W1994177136', 'https://openalex.org/W2023897267', 'https://openalex.org/W2090927985', 'https://openalex.org/W4250928406'], 'related_works': ['https://openalex.org/W4239070873', 'https://openalex.org/W3213406549', 'https://openalex.org/W3186020244', 'https://openalex.org/W3151356197', 'https://openalex.org/W2768980163', 'https://openalex.org/W2378645282', 'https://openalex.org/W2377898947', 'https://openalex.org/W2051772455', 'https://openalex.org/W2032254781', 'https://openalex.org/W2028776031'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2077215238', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 5}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 4}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 4}, {'year': 2012, 'cited_by_count': 4}], 'updated_date': '2024-09-24T01:39:40.123998', 'created_date': '2016-06-24'}