Mirzakulova A, Atakhan N, Asset N, Rysbek A. Asymptotic convergence of the solution for singularly perturbed boundary value problem with boundary jumps. M [Internet]. 2018 Dec. 29 [cited 2026 Jan. 23];4(92):64-71. Available from: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/241