Konyrkhanova, A. A., Nurizinov М. K., Tyulyubergenev, R. K. and Khisamiev, N. G. (2017) “Retracts of group of unitriangular matrices over the ring”, Journal of Mathematics, Mechanics and Computer Science, 91(3), pp. 32–44. Available at: https://bm.kaznu.kz/index.php/kaznu/article/view/342 (Accessed: 3 July 2024).