1.
Klevchuk II. Homoclinic Points for a Singularly Perturbed System of Differential Equations with Delay. Ukr. Mat. Zhurn. [Internet]. 2002Apr.25 [cited 2024Nov.22];54(4):563-7. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4093