%0 Journal Article
%A Csákány, Rita
%A Kahn, Jeff
%T A homological approach to two problems on finite sets
%J Journal of Algebraic Combinatorics
%D 1999
%P 141-149
%V 9
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JAC_1999__9_2_a4/
%G en
%F JAC_1999__9_2_a4