%0 Journal Article
%A Amini, Omid
%T The exchange graph and variations of the ratio of the two Symanzik polynomials
%J Annales de l’Institut Henri Poincaré D
%D 2019
%P 155-197
%V 6
%N 2
%U http://www.numdam.org/articles/10.4171/aihpd/68/
%R 10.4171/aihpd/68
%G en
%F AIHPD_2019__6_2_155_0