%0 Journal Article %A M. N. Zaripov %A N. N. Karabutov %T Adaptive observers for nonlinear time-dependent dynamical systems %J Doklady Akademii Nauk %D 1996 %P 464-466 %V 348 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_348_4_a7/ %G ru %F DAN_1996_348_4_a7