Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1958_123_5_a2, author = {A. E. Gel'man}, title = {Small parameter method for operator equations}, journal = {Doklady Akademii Nauk}, pages = {782--784}, publisher = {mathdoc}, volume = {123}, number = {5}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_123_5_a2/} }
A. E. Gel'man. Small parameter method for operator equations. Doklady Akademii Nauk, Tome 123 (1958) no. 5, pp. 782-784. http://geodesic.mathdoc.fr/item/DAN_1958_123_5_a2/