%0 Journal Article %A AbuGhneim, Omar A. %A Smith, Ken W. %T Tightening Turyn's bound for Hadamard difference sets %J Journal of Algebraic Combinatorics %D 2008 %P 187-203 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2008__27_2_a3/ %G en %F JAC_2008__27_2_a3