CAUVI, Justine; LI, Ruoying; STORANDT, Sabine. Exact and Approximate Hierarchical Hub Labeling. Journal of Graph Algorithms and Applications, [S. l.], v. 29, n. 2, p. 103–126, 2025. DOI: 10.7155/jgaa.v29i2.3041. Disponível em: https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/3041. Acesso em: 18 jun. 2025.