%0 Journal Article %A L. A. Sakhnovich %T On properties of discrete and continuous spectra of Dirac radial equation %J Teoretičeskaâ i matematičeskaâ fizika %D 1996 %P 36-49 %V 108 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1996_108_1_a2/ %G ru %F TMF_1996_108_1_a2