Grigoryan, H.A. “AUTOMORPHISMS OF FREE BURNSIDE GROUPS OF PERIOD 3”. Proceedings of the YSU A: Physical and Mathematical Sciences 53, no. 1 (248) (April 15, 2019): 13–16. Accessed November 22, 2024. https://pub.ysu.am/index.php/proceedings-phys-math/article/view/vol53_no1_2019_pp013-016.