%0 Journal Article %A S. A. Bespalova %A Yu. A. Klokov %T A boundary value problem for fourth-order ordinary differential equations %J Differencialʹnye uravneniâ %D 1989 %P 573-578 %V 25 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_4_a2/ %G ru %F DE_1989_25_4_a2