TY - JOUR AU - V. M. Gol'dstein TI - The degree of summability of generalized derivatives of plane quasiconformal homeomorphisms JO - Doklady Akademii Nauk PY - 1980 SP - 18 EP - 21 VL - 250 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_250_1_a2/ LA - ru ID - DAN_1980_250_1_a2 ER -