TY - JOUR AU - A. A. Tolstonogov TI - Theorem on continuous extension of a multivalued function and its applications JO - Matematičeskie zametki PY - 1987 SP - 581 EP - 593 VL - 42 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1987_42_4_a10/ LA - ru ID - MZM_1987_42_4_a10 ER -