%0 Journal Article %A M. S. Gynovyan %T Asymptotically Efficient Nonparametric Estimation of Functionals on Spectral Density with Zeros %J Teoriâ veroâtnostej i ee primeneniâ %D 1988 %P 315-322 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1988_33_2_a8/ %G ru %F TVP_1988_33_2_a8