%0 Journal Article
%A Sen Gupta, N. D.
%T On a perturbation expansion of the characteristic function of classical mechanics
%J Annales de l'institut Henri Poincaré. Section A, Physique Théorique
%D 1967
%P 215-228
%V 7
%N 3
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPA_1967__7_3_215_0/
%G en
%F AIHPA_1967__7_3_215_0