M. PERUMALSAMY; P. ARUL PAUL SUDHAHAR; R. VASANTHI. The Upper Edge Fixed Steiner Number of a Graph. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 2 - A, p. 337–343, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/680. Acesso em: 3 jul. 2024.