ATAKHAN N.; DAUYLBAYEV M.K.; ASSET N. ASYMPTOTIC EXPANSION OF SOLUTION OF BVP WITH INITIAL JUMPS FOR SINGULARLY PERTURBED INTEGRO-DIFFERENTIAL EQUATION. Известия НАН РК. Серия физико-математическая, [S. l.], n. 4, p. 126–135, 2021. Disponível em: http://91834.libg.asia/physics-mathematics/article/view/1937. Acesso em: 20 фев. 2025.