DRAGAN, Feodor; YAN, Chenyu; CORNEIL, Derek. Collective Tree Spanners and Routing in AT-free Related Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 10, n. 2, p. 97–122, 2006. DOI: 10.7155/jgaa.00120. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper120. Acesso em: 30 jun. 2024.