%0 Journal Article %A V. A. Skvortsov %T Theorems concerning the uniqueness of Haar series for summation methods %J Matematičeskie zametki %D 1971 %P 449-458 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_9_4_a11/ %G ru %F MZM_1971_9_4_a11