%0 Journal Article %A Löwig, Henry %T On transitive Boolean relations %J Czechoslovak Mathematical Journal %D 1951 %P 199-201 %V 01 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1951.100029/ %R 10.21136/CMJ.1951.100029 %G en %F 10_21136_CMJ_1951_100029