Artykbayeva Z, Mirzakulova A, Assilkhan A. Analytical Solution of Initial Value Problem for Ordinary Differential Equation with Singular Perturbation and Piecewise Constant Argument. JMMCS [Internet]. 2024 Jun. 30 [cited 2024 Jul. 3];122(2):3-13. Available from: https://bm.kaznu.kz/index.php/kaznu/article/view/1303