%0 Journal Article
%A Schwarz, Štefan
%T On the semigroup of binary relations on a finite set
%J Czechoslovak Mathematical Journal
%D 1970
%P 632-679
%V 20
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1970.100989/
%R 10.21136/CMJ.1970.100989
%G en
%F 10_21136_CMJ_1970_100989