%0 Journal Article %A V. Z. Kanchukoev %T A boundary value problem for a third-order equation of mixed hyperbolic-pseudoparabolic type %J Differencialʹnye uravneniâ %D 1980 %P 177-178 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_1_a23/ %G ru %F DE_1980_16_1_a23