@article{10_4064_aa139_3_1,
     author = {\"Ozlem Imamoḡlu and Cormac O'Sullivan},
     title = {Parabolic, hyperbolic and elliptic {Poincar\'e}  series},
     journal = {Acta Arithmetica},
     pages = {199--228},
     publisher = {mathdoc},
     volume = {139},
     number = {3},
     year = {2009},
     doi = {10.4064/aa139-3-1},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa139-3-1/}
}