%0 Journal Article
%A Kolli, Messaoud
%T Direct and elementary approach to enumerate topologies on a finite set
%J Journal of integer sequences
%D 2007
%V 10
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JIS_2007__10_3_a6/
%G en
%F JIS_2007__10_3_a6