%0 Journal Article
%A G. A. Zaitsev
%T Shift of energy levels of a particle with spin $1/2$ in a Coulomb field
%J Doklady Akademii Nauk
%D 1957
%P 61-63
%V 114
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_1_a14/
%G ru
%F DAN_1957_114_1_a14