ROBERTS, Ben; KROESE, Dirk. Estimating the Number of s-t Paths in a Graph. Journal of Graph Algorithms and Applications, [S. l.], v. 11, n. 1, p. 195–214, 2007. DOI: 10.7155/jgaa.00142. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper142. Acesso em: 30 jun. 2024.