%0 Journal Article %A Kh. K. Zhemukhov %T A boundary value problem with a shift for a fourth-order degenerate quasilinear hyperbolic equation %J Differencialʹnye uravneniâ %D 1989 %P 1619-1622 %V 25 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_9_a23/ %G ru %F DE_1989_25_9_a23