@article{RM_1994_49_5_a13, author = {V. I. Serdobol'skii}, title = {On the sharpness of asymptotic expressions for the spectral functions of empirical covariance matrices}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {187--188}, publisher = {mathdoc}, volume = {49}, number = {5}, year = {1994}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RM_1994_49_5_a13/} }