Atakhan N., Dauylbayev M.K., Asset N. ASYMPTOTIC EXPANSION OF SOLUTION OF BVP WITH INITIAL JUMPS FOR SINGULARLY PERTURBED INTEGRO-DIFFERENTIAL EQUATION. PMS [Интернет]. 15 август 2021 г. [цитируется по 23 декабрь 2024 г.];(4):126-35. доступно на: http://89.250.84.46/physics-mathematics/article/view/1937