Geodesic
Parametric representations of Feynman graphs
Teoretičeskaâ i matematičeskaâ fizika, Tome 23 (1975) no. 3, pp. 291-299

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Operators of finite renormalization which perform arbitrary shift of the subtraction point in the $R$-operation are evaluated. Parametric representations of divergent graphs are generalized for the case of the finite renormalization of two-particle subgraphs of the graph. 
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     author = {O. I. Zavialov},
     title = {Parametric representations of {Feynman} graphs},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {291--299},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_23_3_a0/}
}
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O. I. Zavialov. Parametric representations of Feynman graphs. Teoretičeskaâ i matematičeskaâ fizika, Tome 23 (1975) no. 3, pp. 291-299. http://geodesic.mathdoc.fr/item/TMF_1975_23_3_a0/