{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T05:02:08Z","timestamp":1772600528817,"version":"3.50.1"},"reference-count":6,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[1989,3,1]],"date-time":"1989-03-01T00:00:00Z","timestamp":604713600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Combinatorica"],"published-print":{"date-parts":[[1989,3]]},"DOI":"10.1007\/bf02122687","type":"journal-article","created":{"date-parts":[[2005,9,14]],"date-time":"2005-09-14T11:12:28Z","timestamp":1126696348000},"page":"85-89","source":"Crossref","is-referenced-by-count":18,"title":["Solution to a problem of C. D. Godsil regarding bipartite graphs with unique perfect matching"],"prefix":"10.1007","volume":"9","author":[{"given":"R.","family":"Simion","sequence":"first","affiliation":[]},{"given":"D. -S.","family":"Cao","sequence":"additional","affiliation":[]}],"member":"297","reference":[{"key":"BF02122687_CR1","doi-asserted-by":"crossref","DOI":"10.1007\/978-1-4615-6666-3","volume-title":"Combinatorial Theory","author":"M. Aigner","year":"1979","unstructured":"M. Aigner, Combinatorial Theory,Springer-Verlag New York, (1979)."},{"key":"BF02122687_CR2","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1007\/BF02579440","volume":"5","author":"C. D. Godsil","year":"1985","unstructured":"C. D. Godsil, Inverses of trees,Combinatorica 5 (1985), 33\u201339.","journal-title":"Combinatorica"},{"key":"BF02122687_CR3","unstructured":"W.Mayeda, Graph Theory,Wiley-Interscience, (1972)."},{"key":"BF02122687_CR4","doi-asserted-by":"crossref","unstructured":"H.Ryser, Combinatorial Mathematics,MAA Cants Mathematical Monographs No.14 (1963).","DOI":"10.5948\/UPO9781614440147"},{"key":"BF02122687_CR5","first-page":"147","volume":"45","author":"R. Simon","year":"1984","unstructured":"R. Simon, Trees with 1-factors: degree distribution,Congressum Numerantium,45 (1984), 147\u2013159.","journal-title":"Congressum Numerantium"},{"key":"BF02122687_CR6","unstructured":"R.Simion, Trees with 1-factors and oriented trees,manuscript."}],"container-title":["Combinatorica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF02122687.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/BF02122687\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/BF02122687","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,4,9]],"date-time":"2020-04-09T12:45:01Z","timestamp":1586436301000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/BF02122687"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1989,3]]},"references-count":6,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1989,3]]}},"alternative-id":["BF02122687"],"URL":"https:\/\/doi.org\/10.1007\/bf02122687","relation":{},"ISSN":["0209-9683","1439-6912"],"issn-type":[{"value":"0209-9683","type":"print"},{"value":"1439-6912","type":"electronic"}],"subject":[],"published":{"date-parts":[[1989,3]]}}}