JOHN, J.; RAJ, M. S. Malchijah. Graphs with large Steiner number. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 76, n. 5, p. 719–727, 2024. DOI: 10.3842/umzh.v76i5.7409. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7409. Acesso em: 14 apr. 2025.