@article{ARM_1994__30_2_a1,
     author = {Chronowski, Antoni},
     title = {On ternary semigroups of homomorphisms of ordered sets},
     journal = {Archivum mathematicum},
     pages = {85--95},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1994},
     mrnumber = {1292561},
     zbl = {0812.08006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1994__30_2_a1/}
}