%0 Journal Article %A M. A. Noor %A K. I. Noor %T Error estimates for the finite element solutions of variational inequalities %J Annales Polonici Mathematici %D 1983 %P 111-115 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-41-2-111-115/ %R 10.4064/ap-41-2-111-115 %G en %F 10_4064_ap_41_2_111_115