%0 Journal Article %A V. Tsekhan %T Decomposition of a singularly perturbed functional-differential system based on a nondegenerate transformation %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2021 %P 130-143 %V 190 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2021_190_a12/ %G ru %F INTO_2021_190_a12