OKAMOTO, Yoshio; OTACHI, Yota; UEHARA, Ryuhei; UNO, Takeaki. Hardness Results and an Exact Exponential Algorithm for the Spanning Tree Congestion Problem. Journal of Graph Algorithms and Applications, [S. l.], v. 15, n. 6, p. 727–751, 2011. DOI: 10.7155/jgaa.00246. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper246. Acesso em: 30 jun. 2024.