Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1960_133_1_a15, author = {O. I. Zavialov}, title = {``Non-physical'' thresholds in the perturbation theory}, journal = {Doklady Akademii Nauk}, pages = {64--67}, publisher = {mathdoc}, volume = {133}, number = {1}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_1_a15/} }
O. I. Zavialov. ``Non-physical'' thresholds in the perturbation theory. Doklady Akademii Nauk, Tome 133 (1960) no. 1, pp. 64-67. http://geodesic.mathdoc.fr/item/DAN_1960_133_1_a15/