@article{MOMA_1972__76_177610,
     author = {Jaroslav Nesetril},
     title = {On {Symmetric} and {Antisymmetric} {Relations.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {323--327},
     publisher = {mathdoc},
     volume = {76},
     year = {1972},
     zbl = {0248.05119},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1972__76_177610/}
}