4HUA Dongying & WANG Lieheng The First Fundamental Department, Beijing Information Technology Institute, Beijing 100101, China,Institute of Computational Mathematics and Scientific/Engineering Computing, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100080, China.A mixed finite element method for the unilateral contact problem in elasticity[J].Science China Mathematics,2006,49(4):513-524. 被引量:1