%0 Journal Article %A E. K. Kornoushenko %T Diagnosis of dynamic systems with nonlinear and nonstationary elements %J Doklady Akademii Nauk %D 1989 %P 557-559 %V 307 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_307_3_a10/ %G ru %F DAN_1989_307_3_a10