%0 Journal Article %A A. R. Aliev %T Boundary-Value Problems for a Class of Operator Differential Equations of High Order with Variable Coefficients %J Matematičeskie zametki %D 2003 %P 803-814 %V 74 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a0/ %G ru %F MZM_2003_74_6_a0