CHEN, H. V. A total labellings of m triangles. Tamkang Journal of Mathematics, [S. l.], v. 41, n. 4, p. 393–402, 2010. DOI: 10.5556/j.tkjm.41.2010.788. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/788. Acesso em: 29 apr. 2024.