%0 Journal Article %A Lin, Runchang %A Zhang, Zhimin %T Numerical study of natural superconvergence in least-squares finite element methods for elliptic problems %J Applications of Mathematics %D 2009 %P 251-266 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0016-6/ %R 10.1007/s10492-009-0016-6 %G en %F 10_1007_s10492_009_0016_6