Dauylbayev, M.K. and Uaissov, A.B. (2026) “Asymptotic behavior of the solutions of boundary-value problems for singularly perturbed integro-differential equations”, Ukrains’kyi Matematychnyi Zhurnal, 71(11), pp. 1466–1479. doi:10.3842/umzh.v71i11.1529.