TY - JOUR AU - M. B. Gorodetskii TI - Discrete convolutions in a plane quadrant with an infinitely differentiable symbol JO - Matematičeskie zametki PY - 1980 SP - 217 EP - 224 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1980_27_2_a6/ LA - ru ID - MZM_1980_27_2_a6 ER -