%0 Journal Article %A Yu. A. Peshkichev %T Moduli of families of two-dimensional surfaces, and quasiconformal %J Doklady Akademii Nauk %D 1991 %P 540-541 %V 318 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a5/ %G ru %F DAN_1991_318_3_a5