NENOV, N. LOWER BOUNDS FOR SOME RAMSEY NUMBERS. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 96, p. 85–87, 2004. Disponível em: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/163. Acesso em: 24 nov. 2024.