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@article{MZM_1988_43_5_a4, author = {G. V. Radzievskii}, title = {Asymptotic of singular numbers and eigenvalues of weakly perturbed operators}, journal = {Matemati\v{c}eskie zametki}, pages = {624--634}, publisher = {mathdoc}, volume = {43}, number = {5}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_5_a4/} }
G. V. Radzievskii. Asymptotic of singular numbers and eigenvalues of weakly perturbed operators. Matematičeskie zametki, Tome 43 (1988) no. 5, pp. 624-634. http://geodesic.mathdoc.fr/item/MZM_1988_43_5_a4/