%0 Journal Article %A Winfried Kohnen %T Modular Forms of Half-Integral Weight on ...0(4). %J Mathematische Annalen %D 1980 %P 249-266 %V 248 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1980__248_163382/ %F MAN_1980__248_163382