XUAN HUNG, L. List-Chromatic Number and Chromatically Unique of the Graph Kr2 + Ok. Selecciones Matemáticas, [S. l.], v. 6, n. 01, p. 26-30, 2019. DOI: 10.17268/sel.mat.2019.01.04. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/2440. Acesso em: 3 may. 2024.