[1]
Davуdоv E. G., “On the graph groups of groups of automorphisms of finite graphs ”, Ukr. Mat. Zhurn., vol. 18, no. 6, pp. 111–115, Oct. 1966, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8465