%0 Journal Article %A V. I. Serdobol'skii %T On the sharpness of asymptotic expressions for the spectral functions of empirical covariance matrices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1994 %P 187-188 %V 49 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1994_49_5_a13/ %G en %F RM_1994_49_5_a13