Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1986_290_2_a3, author = {J. Bu\v{s}a}, title = {Singular values of perturbed matrices}, journal = {Doklady Akademii Nauk}, pages = {275--277}, publisher = {mathdoc}, volume = {290}, number = {2}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_2_a3/} }
J. Buša. Singular values of perturbed matrices. Doklady Akademii Nauk, Tome 290 (1986) no. 2, pp. 275-277. http://geodesic.mathdoc.fr/item/DAN_1986_290_2_a3/