KHADSHIIVANOV, N.; PASHOV, I. On the Ramsey (3,4)-multiplicity. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 86, n. 1, p. 87–93, 1994. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/442. Acesso em: 21 nov. 2024.