%0 Journal Article %T AnewmethodfortheconstructionofaLagrangian %A 郭仲衡高普云 %J 力学学报 %P 345-353 %D 1993 %R 10.6052/0459-1879-1993-4-1994-080 %K Lagrangian %K mechanics %K inverse %K problems %U http://lxxb.cstam.org.cn/CN/abstract/abstract139745.shtml