%0 Journal Article %A I. A. Ibragimov %T On Estimation of the Spectral Function of a Stationary Gaussian Process %J Teoriâ veroâtnostej i ee primeneniâ %D 1963 %P 391-430 %V 8 %N 4 %U http://geodesic.mathdoc.fr/item/TVP_1963_8_4_a2/ %G ru %F TVP_1963_8_4_a2