FAESSLER, K.; HOVILA, R. Improved Hausdorff dimension estimate for vertical projections in the Heisenberg group. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 15, n. special, p. 459-483, 2016. DOI: 10.2422/2036-2145.201309_003. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/429. Acesso em: 25 may. 2025.