%0 Journal Article %A M. A. Braun %T Energy level shifts and transition probabilities in a relativistic atom %J Teoretičeskaâ i matematičeskaâ fizika %D 1984 %P 388-399 %V 59 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1984_59_3_a5/ %G ru %F TMF_1984_59_3_a5