Grigoryan, A.L. “ON AUTOMORPHISMS OF PERIODIC PRODUCTS OF GROUPS”. Proceedings of the YSU A: Physical and Mathematical Sciences 46, no. 2 (228) (May 10, 2012): 3–9. Accessed November 23, 2024. https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol46_no2_2012_pp003-009.