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@article{FORUM_1993__5_3_141704, author = {Friedrich Wehrung}, title = {Metric properties of positively ordered monoids.}, journal = {Forum mathematicum}, pages = {183--202}, publisher = {mathdoc}, volume = {5}, number = {3}, year = {1993}, zbl = {0769.06008}, url = {http://geodesic.mathdoc.fr/item/FORUM_1993__5_3_141704/} }
Friedrich Wehrung. Metric properties of positively ordered monoids.. Forum mathematicum, Tome 5 (1993) no. 3, pp. 183-202. http://geodesic.mathdoc.fr/item/FORUM_1993__5_3_141704/