Nikitin, A.V. and Samoilenko, I.V. (2017) “Differential equations with small stochastic summands under the Levy approximating conditions”, Ukrains’kyi Matematychnyi Zhurnal, 69(9), pp. 1242–1249. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1774 (Accessed: 5 December 2025).