Azra Souad a and Bouchelaghem Mounia. “Groups With Nilpotent Factor-Group by (polycyclic-by-Černikov ) ”. Journal of Computational Analysis and Applications (JoCAAA) 34, no. 4 (April 17, 2025): 980–984. Accessed January 21, 2026. https://eudoxuspress.com/index.php/pub/article/view/2448.