%0 Journal Article %A A. G. Baskakov %T Analysis of linear differential equations by methods of the spectral theory of difference operators and linear relations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2013 %P 69-116 %V 68 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2013_68_1_a1/ %G en %F RM_2013_68_1_a1