%0 Journal Article %A F. E. Lomovtsev %T A boundary value problem for even-order differential equations whose operator coefficients have variable domains %J Differencialʹnye uravneniâ %D 1994 %P 1412-1425 %V 30 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_8_a13/ %G ru %F DE_1994_30_8_a13