TY - JOUR AU - A. P. Kopylov TI - Ahlfors problem on the continuation of quasi-conformal mappings and the quasi-conformal equivalence domains to a ball JO - Doklady Akademii Nauk PY - 1976 SP - 1025 EP - 1028 VL - 230 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_230_5_a2/ LA - ru ID - DAN_1976_230_5_a2 ER -