%0 Journal Article %A A. P. Kopylov %T The behavior of a three-dimensional quasiconformal mapping on plane sections of the region of definition %J Doklady Akademii Nauk %D 1966 %P 743-746 %V 167 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_167_4_a4/ %G ru %F DAN_1966_167_4_a4