VARUGHESE MATHEW; S. ARUMUGAM. Universal Minimal Resolving Functions in Graphs. International Journal of Mathematics And its Applications, [S. l.], v. 8, n. 1, p. 231–237, 2020. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/195. Acesso em: 4 nov. 2025.