CASTILLON, P.; RUFFINI, B. A spectral characterization of geodesic balls in non-compact rank one symmetric spaces. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 19, n. 4, p. 1359-1388, 2019. DOI: 10.2422/2036-2145.201612_011. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/666. Acesso em: 27 may. 2025.