%0 Journal Article %A P. P. Belinskii %T On areal measure in quasiconformal mapping %J Doklady Akademii Nauk %D 1958 %P 16-17 %V 121 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_121_1_a2/ %G ru %F DAN_1958_121_1_a2