TY - JOUR AU - I. A. Volynets TI - Distortion theorems for mappings of class $BL$ JO - Doklady Akademii Nauk PY - 1973 SP - 16 EP - 18 VL - 213 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_213_1_a2/ LA - ru ID - DAN_1973_213_1_a2 ER -