TY - JOUR AU - S. G. Samko TI - Fundamental functions vanishing on a~given set and division by functions JO - Matematičeskie zametki PY - 1977 SP - 677 EP - 689 VL - 21 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1977_21_5_a9/ LA - ru ID - MZM_1977_21_5_a9 ER -