Skorokhod, I. V. “Limiting Behaviour of the Oscillatory System With the Presence of Random Disturbances of Parameters of This System. II ”. Ukrains’kyi Matematychnyi Zhurnal 42, no. 6 (June 19, 1990): 817–820. Accessed April 11, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/8844.