%0 Journal Article
%A V. N. Popov
%A A. A. Kiselev
%T Diagram technique in the general perturbation theory
%J Doklady Akademii Nauk
%D 1973
%P 70-73
%V 213
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_213_1_a17/
%G ru
%F DAN_1973_213_1_a17