%0 Journal Article %A K. M. Slepenchuk %T Strong summability of double series by matrix methods and Tauberian theorems for these methods %J Matematičeskie zametki %D 1975 %P 391-400 %V 17 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1975_17_3_a4/ %G ru %F MZM_1975_17_3_a4