%0 Journal Article %A E. R. Velibekov %T A generalized self-consistent field method and collective excitations in the superconductivity theory %J Doklady Akademii Nauk %D 1963 %P 1015-1018 %V 150 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_150_5_a16/ %G ru %F DAN_1963_150_5_a16