TY - JOUR AU - A. I. Stepanets TI - Deviation of partial sums of Fourier series in H\"older classes of functions of two variables JO - Doklady Akademii Nauk PY - 1972 SP - 549 EP - 551 VL - 206 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a8/ LA - ru ID - DAN_1972_206_3_a8 ER -