%0 Journal Article %A V. I. Chesalin %T A problem with nonlocal boundary conditions for operator-differential equations of odd order %J Differencialʹnye uravneniâ %D 1977 %P 468-476 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_3_a9/ %G ru %F DE_1977_13_3_a9