@article{DAN_1966_168_2_a14,
     author = {D. Ya. Petrina},
     title = {Holomorphic continuation of {Feinman's} diagram contributions},
     journal = {Doklady Akademii Nauk},
     pages = {308--309},
     publisher = {mathdoc},
     volume = {168},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_2_a14/}
}