TY - JOUR AU - A. Böttcher TI - Two-dimensional convolutions in angular sectors with kernels having their supports in a half plane JO - Matematičeskie zametki PY - 1983 SP - 207 EP - 218 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1983_34_2_a6/ LA - ru ID - MZM_1983_34_2_a6 ER -