@article{MASLO_2002__52_5_a0,
     author = {Ratanaprasert, Chawewan},
     title = {Graph isomorphism of ordered sets},
     journal = {Mathematica slovaca},
     pages = {491--499},
     publisher = {mathdoc},
     volume = {52},
     number = {5},
     year = {2002},
     mrnumber = {1963439},
     zbl = {1030.06001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2002__52_5_a0/}
}