@article{10_4064_fm_105_2_127_145,
     author = {J\"urgen Herzog and Manferd Steurich},
     title = {Berechnung einiger {Poincar\'e-Reihen}},
     journal = {Fundamenta Mathematicae},
     pages = {127--145},
     year = {1979},
     volume = {105},
     number = {2},
     doi = {10.4064/fm-105-2-127-145},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-105-2-127-145/}
}