%0 Journal Article %A Lin, Qun %A Liu, Tang %A Zhang, Shuhua %T Superconvergence estimates of finite element methods for American options %J Applications of Mathematics %D 2009 %P 181-202 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0012-x/ %R 10.1007/s10492-009-0012-x %G en %F 10_1007_s10492_009_0012_x