TY - JOUR AU - V. F. Gaposhkin TI - On the convergence of orthogonal series JO - Doklady Akademii Nauk PY - 1964 SP - 243 EP - 246 VL - 159 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_159_2_a1/ LA - ru ID - DAN_1964_159_2_a1 ER -