%0 Journal Article %A L. A. Sakhnovich %T The discrete and continuous spectra of the radial Dirac equation %J Doklady Akademii Nauk %D 1969 %P 61-64 %V 185 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_185_1_a15/ %G ru %F DAN_1969_185_1_a15