%0 Journal Article
%A V. B. Tverskoi
%T Higher orders of perturbation theory in the neighborhood of a~classical solution
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1987
%P 218-225
%V 70
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1987_70_2_a6/
%G ru
%F TMF_1987_70_2_a6