ZHANG, GUANG-HUI; WANG, TAO-MING; CHIA, MING-I; HUNG, CHUN-NAN. Super vertex magic chordal rings. Utilitas Mathematica , [S. l.], v. 107, 2018. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1323. Acesso em: 26 may. 2026.