%0 Journal Article %A Prouza, LudvĂ­k %T On the weak Borel property of methods of summation %J Kybernetika %D 1971 %P 450-457 %V 7 %N 6 %U http://geodesic.mathdoc.fr/item/KYB_1971_7_6_a3/ %G en %F KYB_1971_7_6_a3