%0 Journal Article %A George G. Lorentz %T Zeros of Splines and Birkhoff's Kernel. %J Mathematische Zeitschrift %D 1975 %P 173-180 %V 142 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1975__142_172192/ %F MZ_1975__142_172192