TY - JOUR AU - V. V. Goryaǐnov TI - A general uniqueness theorem and the geometry of extremal conformal mappings in problems of distortion and rotation JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1986 SP - 40 EP - 47 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1986_10_a3/ LA - ru ID - IVM_1986_10_a3 ER -