%0 Journal Article %A Alexander M. Lindner %T On Lower Bounds of Exponential Frames. %J The journal of Fourier analysis and applications [[Elektronische Ressource]] %D 1999 %P 185-192 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JFAA_1999__5_4_59603/ %F JFAA_1999__5_4_59603