%0 Journal Article
%T A geometric framework for time-dependent mechanical systems with unilateral constraints
%A Zhang Yi
%A Mei Feng-Xiang
%A <br>张毅
%A 梅凤翔
%J 中国物理 B
%D 2006
%I 
%K nalytical mechanics
%K time-dependent
%K unilateral constraint
%K differential geometry<br>几何框架
%K 单向约束
%K 分析力学
%K 微分几何
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=CD8D6A6897B9334F09D8D1648C376FB4&aid=16D4B6FBAB96B3210AFD938DB51A0BC3&yid=37904DC365DD7266&vid=23CCDDCD68FFCC2F&iid=CA4FD0336C81A37A&sid=FC0714F8D2EB605D&eid=13553B2D12F347E8&journal_id=1009-1963&journal_name=中国物理&referenced_num=0&reference_num=19