Radchenko, S., Samoilenko, V. and Samusenko, P. 2023. Asymptotic solutions of singularly perturbed linear differential-algebraic equations with periodic coefficients. Matematychni Studii. 59, 2 (Jun. 2023), 187-200. DOI:https://doi.org/10.30970/ms.59.2.187-200.