%0 Journal Article
%T Approximate controllability of infinite dimensional linear systems in nonreflexive state spaces<br>
%A Xin YU
%A Chao XU
%A <br>
%J 控制理论与应用
%D 2005
%I 
%K Approximate controllability
%K Exact controllability
%K Reflexive space
%K C_0-semigroup<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=970898A57DFC021F93AB51667BAED7F7&aid=F618F818C8D6A8EF825A4D82CA3C2160&yid=2DD7160C83D0ACED&vid=38B194292C032A66&iid=0B39A22176CE99FB&sid=50BBDFAC8381694B&eid=847B14427F4BF76A&journal_id=1000-8152&journal_name=控制理论与应用&referenced_num=0&reference_num=0