Y. A. Martynyuk-Chernienko, “On the stability of solutions of a quasilinear uncertain system”, Ukr. Mat. Zhurn., vol. 51, no. 4, pp. 458–465, Apr. 1999, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4631