%0 Journal Article %A O. Yu. Dmitriev %T Expansions in eigenfunctions of the $n$-th order differential operator with non-regular boundary conditions %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2007 %P 10-14 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2007_7_2_a2/ %G ru %F ISU_2007_7_2_a2