BÜNGENER, Aaron; KAUFMANN, Michael. Improving the Crossing Lemma by Characterizing Dense 2-Planar and 3-Planar Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 29, n. 3, p. 143–174, 2026. DOI: 10.7155/jgaa.v29i3.3000. Disponível em: https://jgaa.info/index.php/jgaa/article/view/3000. Acesso em: 24 aug. 2026.