Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1988_300_5_a7, author = {V. A. Sadovnichii and V. A. Lyubishkin}, title = {Trace formulas and perturbation theory}, journal = {Doklady Akademii Nauk}, pages = {1064--1066}, publisher = {mathdoc}, volume = {300}, number = {5}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_300_5_a7/} }
V. A. Sadovnichii; V. A. Lyubishkin. Trace formulas and perturbation theory. Doklady Akademii Nauk, Tome 300 (1988) no. 5, pp. 1064-1066. http://geodesic.mathdoc.fr/item/DAN_1988_300_5_a7/