%0 Journal Article %A R. I. Semerdzhieva %T Solvability of a boundary value problem for a nonlinear degenerate hyperbolic equation %J Differencialʹnye uravneniâ %D 1992 %P 1145-1153 %V 28 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_7_a5/ %G ru %F DE_1992_28_7_a5