%0 Journal Article %A E. A. Volkov %T A bilateral difference method for nonlinear and spectral problems in ordinary differential equations %J Doklady Akademii Nauk %D 1972 %P 1274-1276 %V 205 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_205_6_a1/ %G ru %F DAN_1972_205_6_a1