@article{MZ_1996__221_1_174868,
     author = {Andrzej Dabrowski},
     title = {On {Poincar\'e} series on {Spm.}},
     journal = {Mathematische Zeitschrift},
     pages = {573--590},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1996},
     zbl = {0853.11040},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__221_1_174868/}
}