TY - JOUR AU - S. M. Ivashkovich TI - Spherical shells as obstructions to continuation of holomorphic mappings JO - Matematičeskie zametki PY - 1991 SP - 141 EP - 142 VL - 49 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a16/ LA - ru ID - MZM_1991_49_2_a16 ER -