%0 Journal Article %A K. B. Baikuziev %T A mixed problem for a higher-order equation that degenerates on the boundary of the domain %J Differencialʹnye uravneniâ %D 1984 %P 7-14 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_1_a1/ %G ru %F DE_1984_20_1_a1