%0 Journal Article %A O. B. Tsekhan %T Robust sufficient conditions for uniform observability of a linear nonstationary singularly perturbed system %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2023 %P 150-164 %V 226 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2023_226_a14/ %G ru %F INTO_2023_226_a14