%0 Journal Article
%A J. Konieczny
%T On cardinalities  of row spaces of Boolean matrices.
%J Semigroup forum
%D 1992
%P 393-402
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1992__44_1_135164/
%F SF_1992__44_1_135164