TY - JOUR AU - V. A. Il'in TI - A localization principle for almost the whole sequence of partial sums of a Fourier series in a fundamental system of functions JO - Doklady Akademii Nauk PY - 1969 SP - 20 EP - 23 VL - 184 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_184_1_a3/ LA - ru ID - DAN_1969_184_1_a3 ER -