Pilipenko, A. Yu., and M. V. Tantsiura. “Limit Theorem for Coiuntable Systems of Stochastic Differential Equations”. Ukrains’kyi Matematychnyi Zhurnal, vol. 68, no. 10, Oct. 2016, pp. 1380-02, https://umj.imath.kiev.ua/index.php/umj/article/view/1927.