%0 Journal Article %A Marek, Ivo %T On the row sum condition and the convergence of iteration processes (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1968 %P 165-172 %V 09 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1968__9_1_a17/ %G en %F CMUC_1968__9_1_a17