%0 Journal Article %A V. V. Varlamov %T An initial-boundary value problem for a third-order hyperbolic equation %J Differencialʹnye uravneniâ %D 1990 %P 1455-1457 %V 26 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_8_a23/ %G ru %F DE_1990_26_8_a23