%0 Journal Article %A Weisz, J. %T On a method for a-posteriori error estimation of approximate solutions to parabolic problems %J Commentationes Mathematicae Universitatis Carolinae %D 1994 %P 735-740 %V 35 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1994__35_4_a13/ %G en %F CMUC_1994__35_4_a13