1. [CM10] Coudène, Y.; Maucourant, F. Horocycles récurrents sur des surfaces de volume infini, Geom. Dedicata, Volume 149 (2010), pp. 231-242
2. [Dal11] Dal’Bo, F. Geodesic and horocyclic trajectories, Springer-Verlag London, Ltd. & EDP Sciences, London & Les Ulis, Universitext (2011)
3. [Ebe77] Eberlein, P. Horocycle flows on certain surfaces without conjugate points, Trans. Amer. Math. Soc., Volume 233 (1977), pp. 1-36
4. [GL17] Gaye, M.; Lo, C. Sur l’inexistence d’ensembles minimaux pour le flot horocyclique, Confluentes Math., Volume 9 (2017) no. 1, pp. 95-104
5. [Haa96] Haas, A. Dirichlet points, Garnett points, and infinite ends of hyperbolic surfaces. I, Ann. Acad. Sci. Fenn. Math., Volume 21 (1996) no. 1, pp. 3-29