Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2903787816', 'doi': 'https://doi.org/10.1201/9781315154961-5', 'title': 'Second-Order Linear Ordinary Differential Equations', 'display_name': 'Second-Order Linear Ordinary Differential Equations', 'publication_year': 2017, 'publication_date': '2017-09-01', 'ids': {'openalex': 'https://openalex.org/W2903787816', 'doi': 'https://doi.org/10.1201/9781315154961-5', 'mag': '2903787816'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1201/9781315154961-5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463075', 'display_name': 'CRC Press eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320449', 'host_organization_name': 'Informa', 'host_organization_lineage': ['https://openalex.org/P4310320449'], 'host_organization_lineage_names': ['Informa'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', '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/A5038307022', 'display_name': 'David V. Kalbaugh', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'David V. Kalbaugh', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5038307022'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 64}, 'biblio': {'volume': None, 'issue': None, 'first_page': '113', 'last_page': '162'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11416', 'display_name': 'Numerical Integration Methods for Differential Equations', 'score': 0.9382, 'subfield': {'id': 'https://openalex.org/subfields/2612', 'display_name': 'Numerical Analysis'}, '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/T11416', 'display_name': 'Numerical Integration Methods for Differential Equations', 'score': 0.9382, 'subfield': {'id': 'https://openalex.org/subfields/2612', 'display_name': 'Numerical Analysis'}, '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/differential-equations', 'display_name': 'Differential Equations', 'score': 0.776029}, {'id': 'https://openalex.org/keywords/variational-integrators', 'display_name': 'Variational Integrators', 'score': 0.634854}, {'id': 'https://openalex.org/keywords/exponential-integrators', 'display_name': 'Exponential Integrators', 'score': 0.584613}, {'id': 'https://openalex.org/keywords/hamiltonian-systems', 'display_name': 'Hamiltonian Systems', 'score': 0.570811}, {'id': 'https://openalex.org/keywords/matrix-exponential', 'display_name': 'Matrix Exponential', 'score': 0.565622}], 'concepts': [{'id': 'https://openalex.org/C13982400', 'wikidata': 'https://www.wikidata.org/wiki/Q1129902', 'display_name': 'Linear differential equation', 'level': 3, 'score': 0.5446011}, {'id': 'https://openalex.org/C51544822', 'wikidata': 'https://www.wikidata.org/wiki/Q465274', 'display_name': 'Ordinary differential equation', 'level': 3, 'score': 0.53512096}, {'id': 'https://openalex.org/C182306322', 'wikidata': 'https://www.wikidata.org/wiki/Q1779371', 'display_name': 'Order (exchange)', 'level': 2, 'score': 0.5227416}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.5118317}, {'id': 'https://openalex.org/C28826006', 'wikidata': 'https://www.wikidata.org/wiki/Q33521', 'display_name': 'Applied mathematics', 'level': 1, 'score': 0.4300071}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.38127717}, {'id': 'https://openalex.org/C78045399', 'wikidata': 'https://www.wikidata.org/wiki/Q11214', 'display_name': 'Differential equation', 'level': 2, 'score': 0.2969323}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.15898353}, {'id': 'https://openalex.org/C10138342', 'wikidata': 'https://www.wikidata.org/wiki/Q43015', 'display_name': 'Finance', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1201/9781315154961-5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463075', 'display_name': 'CRC Press eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320449', 'host_organization_name': 'Informa', 'host_organization_lineage': ['https://openalex.org/P4310320449'], 'host_organization_lineage_names': ['Informa'], 'type': 'ebook platform'}, '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': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4200024091', 'https://openalex.org/W3214346900', 'https://openalex.org/W3202709773', 'https://openalex.org/W3102283898', 'https://openalex.org/W3102151943', 'https://openalex.org/W3021373414', 'https://openalex.org/W2356099978', 'https://openalex.org/W2355062171', 'https://openalex.org/W2009473223', 'https://openalex.org/W137103153'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2903787816', 'counts_by_year': [], 'updated_date': '2024-09-26T11:17:52.103940', 'created_date': '2018-12-22'}