Boutabia H., MeradjiS., and StihiS. “Stochastic Differential Equations for eigenvalues and Eigenvectors of a $G$-Wishart Process With Drift”. Ukrains’kyi Matematychnyi Zhurnal 71, no. 4 (April 25, 2019): 502-515. Accessed November 29, 2020. http://umj.imath.kiev.ua/index.php/umj/article/view/1454.