TY - JOUR AU - A. P. Kopylov TI - On the removability of a ball for spaces of mappings which are close to conformal JO - Doklady Akademii Nauk PY - 1977 SP - 525 EP - 527 VL - 234 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_234_3_a5/ LA - ru ID - DAN_1977_234_3_a5 ER -