Castillon, P. and Ruffini, B. 2019. A spectral characterization of geodesic balls in non-compact rank one symmetric spaces. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE. 19, 4 (Dec. 2019), 1359-1388. DOI:https://doi.org/10.2422/2036-2145.201612_011.