@article{TMF_1975_23_3_a0,
     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/}
}