%0 Journal Article
%A A. I. Sherstyuk
%T Determination of closed expressions for the perturbation theory corrections to the wave functions of bound states by means of a~Sturm function expansion
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1974
%P 224-232
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1974_21_2_a7/
%G ru
%F TMF_1974_21_2_a7