Geodesic
Double logarithmic asymptotic behavior of vertex functions in quantum chromodynamics.
Teoretičeskaâ i matematičeskaâ fizika, Tome 45 (1980) no. 2, pp. 171-179 
V. V. Belokurov; N. I. Usyukina. Double logarithmic asymptotic behavior of vertex functions in quantum chromodynamics.. Teoretičeskaâ i matematičeskaâ fizika, Tome 45 (1980) no. 2, pp. 171-179. http://geodesic.mathdoc.fr/item/TMF_1980_45_2_a2/
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     author = {V. V. Belokurov and N. I. Usyukina},
     title = {Double logarithmic asymptotic behavior of~vertex functions in~quantum chromodynamics.},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {171--179},
     year = {1980},
     volume = {45},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1980_45_2_a2/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The method of calculating the double logarithmical asymptotics of vertex functions suggested by the authors in $[1,\,2]$, is applied to the problem of calculating the singlet formfactor of a quark in the 8th order of the perturbation theory. It is shown that this formfactor is exponentiated within the 8th order.

[1] V. V. Belokurov, N. I. Usyukina, TMF, 41:2 (1979), 157

[2] V. V. Belokurov, N. I. Usyukina, TMF, 44 (1980), 147 | MR

[3] J. M. Cornwall, G. Tiktoupoulos, Phys. Rev., D13 (1976), 3370