TY - JOUR AU - O. B. Tsekhan TI - Splitting transformation for a linear nonstationary singularly perturbed system with constant delay in the equation for the slow variable JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2024 SP - 49 EP - 71 VL - 236 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2024_236_a4/ LA - ru ID - INTO_2024_236_a4 ER -