%0 Journal Article %A S. K. Kumykova %A Ph. B. Nakhusheva %T A boundary value problem for a hyperbolic equation that degenerates inside the domain %J Differencialʹnye uravneniâ %D 1978 %P 50-65 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_1_a5/ %G ru %F DE_1978_14_1_a5