@article{SF_1992__45_3_135167,
     author = {Y. Kobayashi},
     title = {Note on compatible  well orders on a free monoid.},
     journal = {Semigroup forum},
     pages = {23--25},
     publisher = {mathdoc},
     volume = {45},
     number = {3},
     year = {1992},
     zbl = {0791.20065},
     url = {http://geodesic.mathdoc.fr/item/SF_1992__45_3_135167/}
}