Buldygin, V. V., and V. A. Koval. “On the Asymptotic Properties of Solutions of Linear Stochastic Differential Equations in $R^d$”. Ukrains’kyi Matematychnyi Zhurnal 52, no. 9 (September 25, 2000): 1166-1175. Accessed May 10, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4524.