@article{10_21136_CMJ_1981_101771,
     author = {Rach\r{u}nek, Ji\v{r}{\'\i}},
     title = {Reflexive and antisymmetric relations and their systems},
     journal = {Czechoslovak Mathematical Journal},
     pages = {521--530},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1981},
     doi = {10.21136/CMJ.1981.101771},
     mrnumber = {631600},
     zbl = {0483.04002},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101771/}
}