DAUYLBAYEV, M. K.; AKHMET, M.; MIRZAKULOVA, A. E.; UAISSOV, A. B. Asymptotic convergence of the solution of the initial value problem for singularly perturbed higher-order integro-differential equation. International Journal of Mathematics and Physics, [S. l.], v. 9, n. 1, p. 50–59, 2018. DOI: 10.26577/ijmph.2018.v9i1.246. Disponível em: https://ijmph.kaznu.kz/index.php/kaznu/article/view/246. Acesso em: 2 may. 2024.