@article{SF_1991__43_3_135122,
     author = {Y. Kobayashi and T. Saito and T. Iwamoto and K. Kajitori},
     title = {Strongly compatible total orders on free monoids.},
     journal = {Semigroup forum},
     pages = {357--366},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1991},
     zbl = {0741.20039},
     url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135122/}
}