@article{MASLO_2002_52_5_a0, author = {Ratanaprasert, Chawewan}, title = {Graph isomorphism of ordered sets}, journal = {Mathematica slovaca}, pages = {491--499}, year = {2002}, volume = {52}, number = {5}, mrnumber = {1963439}, zbl = {1030.06001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_2002_52_5_a0/} }