%0 Journal Article %A Rachůnek, Jiří %T Reflexive and antisymmetric relations and their systems %J Czechoslovak Mathematical Journal %D 1981 %P 521-530 %V 31 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101771/ %R 10.21136/CMJ.1981.101771 %G en %F 10_21136_CMJ_1981_101771