%0 Journal Article %A D. Z. Arov %T Optimal and stable passive systems %J Doklady Akademii Nauk %D 1979 %P 265-268 %V 247 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_247_2_a0/ %G ru %F DAN_1979_247_2_a0