%0 Journal Article %A Goldberger, Assaf %A Neumann, Michael %T An improvement of an inequality of Fiedler leading to a new conjecture on nonnegative matrices %J Czechoslovak Mathematical Journal %D 2004 %P 773-780 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2004__54_3_a18/ %G en %F CMJ_2004__54_3_a18