Bobodzhanova M, Kalimbetov B, Bekmakhanbet G. Asymptotics solutions of a singularly perturbed integro-differential fractional order derivative equation with rapidly oscillating coefficients. M [Internet]. 2021 Dec. 30 [cited 2025 Dec. 8];4(104):56-67. Available from: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/463