%0 Journal Article %A I. V. Zhuravlev %T A multidimensional analogue of the Beltrami equation %J Doklady Akademii Nauk %D 1988 %P 801-805 %V 299 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_299_4_a6/ %G ru %F DAN_1988_299_4_a6