TY - JOUR AU - A. P. Kopylov TI - On the behavior of quasi-conformal space mappings, close to conformal ones on hyperplanes JO - Doklady Akademii Nauk PY - 1973 SP - 1278 EP - 1280 VL - 209 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_209_6_a6/ LA - ru ID - DAN_1973_209_6_a6 ER -