TY - JOUR AU - A. G. Baskakov TI - Analysis of linear differential equations by methods of the spectral theory of difference operators and linear relations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2013 SP - 69 EP - 116 VL - 68 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2013_68_1_a1/ LA - en ID - RM_2013_68_1_a1 ER -