[1]
Y. O. Mitropolsky, I. O. Antonishin, A. K. Prikarpatsky, and V. G. Samoilenko, “Simplex analysis of dynamical systems with a perturbation. New criteria of stabilization of a homoclinic separatrix and its use”, Ukr. Mat. Zhurn., vol. 44, no. 1, pp. 46–66, Feb. 1992, Accessed: Apr. 16, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2319