%0 Journal Article %A Ya. G. Buchaev %T Basis Property of Chains of Eigenfunctions for Certain Boundary-Value Problems %J Matematičeskie zametki %D 2001 %P 308-310 %V 69 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2001_69_2_a14/ %G ru %F MZM_2001_69_2_a14