%0 Journal Article %A G. D. Karatoprakliev %T On the statement and solvability of boundary value problems for equations of mixed type in multidimensional domains %J Doklady Akademii Nauk %D 1978 %P 257-260 %V 239 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_239_2_a0/ %G ru %F DAN_1978_239_2_a0