%0 Journal Article %A I. S. Ovchinnikov %A G. D. Suvorov %T Transformations of the Dirichlet integral and space mappings %J Doklady Akademii Nauk %D 1964 %P 523-526 %V 154 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a9/ %G ru %F DAN_1964_154_3_a9