%0 Journal Article %A G. D. Karatoprakliev %T On an equation of mixed type in multidimensional domains %J Doklady Akademii Nauk %D 1973 %P 528-530 %V 208 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_3_a6/ %G ru %F DAN_1973_208_3_a6