%0 Journal Article %A Kolomý, Josef %T Necessary and sufficient conditions for some convergence methods %J Czechoslovak Mathematical Journal %D 1966 %P 446-453 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1966.100742/ %R 10.21136/CMJ.1966.100742 %G en %F 10_21136_CMJ_1966_100742