NENOV, N. BOUNDS ON THE VERTEX FOLKMAN NUMBER $F(4, 4; 5)$. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 96, p. 75–83, 2004. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/162. Acesso em: 22 nov. 2024.