V. G. Kolomiets and D. G. Korenevsky, “On excitation of oscillations in nonlinear systems with random delay”, Ukr. Mat. Zhurn., vol. 18, no. 3, pp. 51–57, Apr. 1966, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8736