Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_149_4_a14, author = {D. Ya. Petrina}, title = {Analytic properties of contributions from {Feynman} diagrams}, journal = {Doklady Akademii Nauk}, pages = {808--811}, publisher = {mathdoc}, volume = {149}, number = {4}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a14/} }
D. Ya. Petrina. Analytic properties of contributions from Feynman diagrams. Doklady Akademii Nauk, Tome 149 (1963) no. 4, pp. 808-811. http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a14/