%0 Journal Article %A A. I. Kozhanov %T Boundary value problems and properties of solutions for third-order equations %J Differencialʹnye uravneniâ %D 1989 %P 2143-2153 %V 25 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_12_a14/ %G ru %F DE_1989_25_12_a14