%0 Journal Article %A V. I. Korzyuk %T A Boundary Value Problem for a Hyperbolic Equation with a Third-Order Wave Operator %J Differencialʹnye uravneniâ %D 2004 %P 208-215 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_2_a7/ %G ru %F DE_2004_40_2_a7