Geodesic
Four-loop approximation in the $\varphi^4$ model
Teoretičeskaâ i matematičeskaâ fizika, Tome 37 (1978) no. 1, pp. 66-73

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The results are given of calculations of the Gelt-Mann–Low function in the four-loop approximation in the massless model with quartic interaction. The coefficients in the expansion of the Gell-Mann–Low function calculated in the framework of perturbation theory are compared with the coefficients calculated in accordance with the asymptotic formula. 
@article{TMF_1978_37_1_a6,
     author = {F. M. Dittes and Yu. A. Kubyshin and O. V. Tarasov},
     title = {Four-loop approximation in the $\varphi^4$ model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {66--73},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_37_1_a6/}
}
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F. M. Dittes; Yu. A. Kubyshin; O. V. Tarasov. Four-loop approximation in the $\varphi^4$ model. Teoretičeskaâ i matematičeskaâ fizika, Tome 37 (1978) no. 1, pp. 66-73. http://geodesic.mathdoc.fr/item/TMF_1978_37_1_a6/