%0 Journal Article %A K. A. Kasymov %T Asymptotics of the solution of the problem with initial jump for second order hyperbolic equations that contain a small parameter %J Doklady Akademii Nauk %D 1970 %P 28-31 %V 195 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_195_1_a5/ %G ru %F DAN_1970_195_1_a5