SURAHMAT. Some Known Results and an Open Problem of Tree - Wheel Graph Ramsey Numbers. Limits: Journal of Mathematics and Its Applications, [S. l.], v. 2, n. 2, p. 61, 2005. Disponível em: https://journal.its.ac.id/index.php/limits/article/view/5319. Acesso em: 3 jan. 2026.