%0 Journal Article %A O. F. Men'shikh %T The Cauchy problem and boundary value problems for a class of %J Doklady Akademii Nauk %D 1990 %P 105-110 %V 314 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a24/ %G ru %F DAN_1990_314_1_a24