{“状态”:“确定”,“消息类型”:“工作”,“信息版本”:“1.0.0”,“邮件”:{“索引”:{-“日期-部件”:[[2023,2,20]],“日期-时间”:“2023-02-20T11:27:26Z”,“时间戳”:1676892446941},“引用-计数”:0,“发布者”:“Elsevier BV”,“问题”:“5”,“许可证”:[{“开始”:{:“日期-零件”:[[1994,11]],4-11-01T00:00:00Z“,”时间戳“:783648000000},“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”:6833,“URL”:“http://\/www.elsevier.com/”/open-access\/userlicense\/1.0\/“}],”内容域“:{”域“:[],“crossmark-restriction”:false},“short-container-title”:[“符号计算杂志”],“published-print”:{“日期部分”:[[1994,11]]},”DOI“:”10.1006\/jsco.1994.1059“,”type“:”Journal-article“,”created“:{”date-parts“:[[2002,10,7]],”date-time“:”2002-10-07T15:34:51Z“,”timestamp“:1034004891000}”,“page”:“463-488”,“source”:“Crossref”,“is-referenced-by-count”:18,“title”:[“克鲁斯卡尔定理某些有限形式的复杂性界限”],“prefix”:“10.1006”,“volume”:“18”,“author”:[{“给定”:“Andreas”,“family”:“魏尔曼”,“sequence”:“first”,“affiliation”:[]}],“member”:“78”:“https:\/\/api.elsevier.com/content\/article\/PII:S07477184710595?httpAccept=text\.xml”,“content-type”:“text\/xml”,“内容-版本”:“vor”,“intended-application”:“文本-分钟”},{“URL”:“http:\/\-api.elsever.com/content\/article \/PII:S074717184710599?httpAccess=text\/plain”离子“:”vor“,“intended-application”:“text-mining”}],“deposed”:{“date-parts”:[[2019,5,7]],“date-time”:“2019-05-07T17:55:36Z”,“timestamp”:1557251736000},“score”:1,“resource”:{primary“:{”URL“https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S07477184710595”},”副标题“:[],”短标题“:[],“issued”:{“date-parts”:[[1994,11]]},“references-count”:0,“日志-问题”:{“问题”:“5”,“发布-打印”:{“日期-部件”:[[1994,11]]}},“替代id”:[“S074717184710595”],“URL”:“http://\/dx.doi.org\/10.1006\/jsco.1994.1059”,“关系”:{},”ISSN“:[”0747-7171“],”ISSN-type“:[{”value“:”0747.7171“,”type“:”print“}],”主题“:[],”发布“:{“日期部分”:[[1994,11]]}}