Xu, Xirong, Wang, Baocai, Wang, Jian, Zhang, Yong, Yang, Yuansheng. Feedback number of (n, k)-star graphs. A Canadian journal of applied mathematics, computer science and statistics [Internet]. 2014 Sep. 9 [cited 2026 Jul. 9];95. Available from: https://utilitasmathematica.com/index.php/Index/article/view/1025