Ibraev, Sh.Sh. “On the Cohomology of Simple Restricted Modules for Algebraic Groups”. Bulletin of the Karaganda University. Mathematics Series 85, no. 1 (March 30, 2017): 52–56. Accessed July 10, 2025. https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/145.