YAMANAKA, Katsuhisa et al. Sequentially Swapping Colored Tokens on Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 23, n. 1, p. 3–27, 2019. DOI: 10.7155/jgaa.00482. Disponível em: https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper482. Acesso em: 16 jun. 2025.