%0 Journal Article %A V. V. Belokurov %A N. I. Usyukina %T A~method for calculating the double logarithmic asymptotic behavior of vertex functions in quantum field theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1979 %P 157-168 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1979_41_2_a1/ %G ru %F TMF_1979_41_2_a1