V. Atabekyan, H. Aslanyan, and A. E. Grigoryan, “Normal Automorphisms of Free Burnside Groups of Period 3”, Armen.J.Math., vol. 9, no. 2, pp. 60–67, Dec. 2017, Accessed: Apr. 04, 2025. [Online]. Available: https://armjmath.sci.am/index.php/ajm/article/view/157