%0 Journal Article
%A V. A. Golubeva
%A V. Z. Ènol'skii
%T The differential equations for the feynman amplitude of a single-loop graph with four vertices
%J Matematičeskie zametki
%D 1978
%P 113-119
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1978_23_1_a11/
%G ru
%F MZM_1978_23_1_a11