{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T07:35:27Z","timestamp":1648798527498},"reference-count":9,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[1990,6,1]],"date-time":"1990-06-01T00:00:00Z","timestamp":644198400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":8447,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Discrete Mathematics"],"published-print":{"date-parts":[[1990,6]]},"DOI":"10.1016\/0012-365x(90)90321-8","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T03:43:43Z","timestamp":1027655023000},"page":"143-152","source":"Crossref","is-referenced-by-count":1,"title":["Restricted covering of digraphs with arborescences"],"prefix":"10.1016","volume":"82","author":[{"given":"Mao-cheng","family":"Cai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0012-365X(90)90321-8_BIB1","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1002\/jgt.3190070213","article-title":"Arc-disjoint arborescences of digraphs","volume":"7","author":"Mao-cheng","year":"1983","journal-title":"J. Graph Theory"},{"key":"10.1016\/0012-365X(90)90321-8_BIB2","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1002\/jgt.3190130211","article-title":"Common root functions of two digraphs","volume":"13","author":"Mao-cheng","year":"1989","journal-title":"J. Graph Theory"},{"key":"10.1016\/0012-365X(90)90321-8_BIB3","series-title":"Combinatorial Algorithms","first-page":"91","article-title":"Edge-disjoint branchings","author":"Edmonds","year":"1973"},{"key":"10.1016\/0012-365X(90)90321-8_BIB4","first-page":"63","article-title":"Kernel systems of directed graphs","volume":"41","author":"Frank","year":"1979","journal-title":"Acta Sci. Math."},{"key":"10.1016\/0012-365X(90)90321-8_BIB5","first-page":"77","article-title":"Covering branchings","volume":"41","author":"Frank","year":"1979","journal-title":"Acta Sci. Math."},{"key":"10.1016\/0012-365X(90)90321-8_BIB6","series-title":"Algebraic Methods in Graph Theory","first-page":"159","article-title":"On disjoint trees and arborescences","author":"Frank","year":"1981"},{"key":"10.1016\/0012-365X(90)90321-8_BIB7","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1016\/0095-8956(76)90049-6","article-title":"On two minimax theorems in graph theory","volume":"2","author":"Lov\u00e1sz","year":"1976","journal-title":"J. Combinat. Theory"},{"key":"10.1016\/0012-365X(90)90321-8_BIB8","series-title":"Progress in Combinatorial Optimization","first-page":"315","article-title":"Total dual integrality from directed graphs, crossing families, and sub- and supermodular functions","author":"Schrijver","year":"1984"},{"key":"10.1016\/0012-365X(90)90321-8_BIB9","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/0012-365X(78)90174-7","article-title":"Covering the edge set of a directed graph with trees","volume":"24","author":"Vidyasankar","year":"1978","journal-title":"Discrete Math."}],"container-title":["Discrete Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X90903218?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X90903218?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,13]],"date-time":"2019-04-13T05:53:58Z","timestamp":1555134838000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0012365X90903218"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1990,6]]},"references-count":9,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1990,6]]}},"alternative-id":["0012365X90903218"],"URL":"https:\/\/doi.org\/10.1016\/0012-365x(90)90321-8","relation":{},"ISSN":["0012-365X"],"issn-type":[{"value":"0012-365X","type":"print"}],"subject":[],"published":{"date-parts":[[1990,6]]}}}