TY - JOUR AU - James Lee Hafner TI - Explicit Estimates in the Arithmetic Theory of Cusp Forms and Poincaré Series. JO - Mathematische Annalen PY - 1983 SP - 9 EP - 20 VL - 264 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1983__264_163767/ ID - MAN_1983__264_163767 ER -