%0 Journal Article %A A. I. Arefina %T Design of $H_2$-optimal controllers for time-delay systems. Spectral approach %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2012 %P 9-17 %N 1 %U http://geodesic.mathdoc.fr/item/VSPUI_2012_1_a1/ %G ru %F VSPUI_2012_1_a1