TY - JOUR AU - V. N. Dubinin TI - Distortion theorem in the theory of conformal mappings JO - Matematičeskie zametki PY - 1988 SP - 341 EP - 351 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a4/ LA - ru ID - MZM_1988_44_3_a4 ER -