TY - JOUR AU - V. A. Skvortsov TI - Theorems concerning the uniqueness of Haar series for summation methods JO - Matematičeskie zametki PY - 1971 SP - 449 EP - 458 VL - 9 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_9_4_a11/ LA - ru ID - MZM_1971_9_4_a11 ER -