@article{CMJ_1997__47_2_a5,
     author = {Chvalina, Jan},
     title = {The {Is\'eki-type} characterization of certain regular ordered semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {261--276},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1997},
     mrnumber = {1452420},
     zbl = {0928.06009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_1997__47_2_a5/}
}