%0 Journal Article %A Yu. A. Dubinskii %T On a nonlinear problem of Zaremba type for a hyperbolic equation %J Doklady Akademii Nauk %D 1971 %P 519-522 %V 200 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_200_3_a3/ %G ru %F DAN_1971_200_3_a3