Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1958_120_6_a4, author = {O. A. Ladyzhenskaya and L. D. Faddeev}, title = {On continuous spectrum perturbation theory}, journal = {Doklady Akademii Nauk}, pages = {1187--1190}, publisher = {mathdoc}, volume = {120}, number = {6}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a4/} }
O. A. Ladyzhenskaya; L. D. Faddeev. On continuous spectrum perturbation theory. Doklady Akademii Nauk, Tome 120 (1958) no. 6, pp. 1187-1190. http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a4/