TY - JOUR AU - Löwig, Henry TI - On transitive Boolean relations JO - Czechoslovak Mathematical Journal PY - 1951 SP - 199 EP - 201 VL - 01 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1951.100029/ DO - 10.21136/CMJ.1951.100029 LA - en ID - 10_21136_CMJ_1951_100029 ER -