%0 Journal Article %A I. A. Ibragimov %T On the Spectrum of Stationary Gaussian Sequences which Satisfy the Strong Mixing Condition. I.~Necessary Conditions %J Teoriâ veroâtnostej i ee primeneniâ %D 1965 %P 95-116 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1965_10_1_a7/ %G ru %F TVP_1965_10_1_a7