TY - JOUR AU - G. D. Suvorov TI - Second Donets Colloquium on Quasi-Conformal Mapping Theory and Its Generalizations dedicated to the 70th birthday of academician M.\,A.~Lavrent'ev JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1971 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1971_26_3_a24/ LA - ru ID - RM_1971_26_3_a24 ER -