%0 Journal Article
%A Eckmann, J.-P.
%A Epstein, H.
%A Fröhlich, J.
%T Asymptotic perturbation expansion for the S-matrix and the definition of time ordered functions in relativistic quantum field models
%J Annales de l'institut Henri Poincaré. Section A, Physique Théorique
%D 1976
%P 1-34
%V 25
%N 1
%I Gauthier-Villars
%U http://archive.numdam.org/item/AIHPA_1976__25_1_1_0/
%G en
%F AIHPA_1976__25_1_1_0