XU, XIRONG; WANG, BAOCAI; WANG, JIAN; ZHANG, YONG; YANG, YUANSHENG. Feedback number of (n, k)-star graphs. Utilitas Mathematica , [S. l.], v. 95, 2014. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1025. Acesso em: 9 jul. 2026.