%0 Journal Article %A Brualdi, Richard A. %A Liu, Bo Lian %T Hall exponents of Boolean matrices %J Czechoslovak Mathematical Journal %D 1990 %P 659-670 %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102419/ %R 10.21136/CMJ.1990.102419 %G en %F 10_21136_CMJ_1990_102419