StanzhitskiiA. N. “On the Second Bogolyubov Theorem for Systems With Random Perturbations”. Ukrains’kyi Matematychnyi Zhurnal 46, no. 8 (August 25, 1994): 1104–1109. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5667.