CHEN, LILY; LI, XUELIANG; LIU, MENGMENG. Nordhaus- gaddum-type bounds for the rainbow vertex-connection number of a graph. Utilitas Mathematica , [S. l.], v. 86, 2011. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/741. Acesso em: 8 may. 2026.