Stanzhitskii AN. Investigation of Invariant Sets of Itô Stochastic Systems with the Use of Lyapunov Functions. Ukr. Mat. Zhurn. [Internet]. 2001Feb.25 [cited 2024Nov.24];53(2):282-5. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4248