@article{PismaZhETF.80.247,
    title = {Expansion in Feynman graphs as simplicial string theory},
    author = {Akhmedov, E. T.},
    journal = {Письма в ЖЭТФ},
    volume = {80},
    issue = {4},
    pages = {247},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_6081.shtml},
}