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@article{MZ_1971__122_171587, author = {Eric Mendelsohn}, title = {An {Elementary} {Characterization} of the {Category} of {Partly} {Ordered} {Sets.}}, journal = {Mathematische Zeitschrift}, pages = {111--116}, publisher = {mathdoc}, volume = {122}, year = {1971}, zbl = {0209.01203}, url = {http://geodesic.mathdoc.fr/item/MZ_1971__122_171587/} }
Eric Mendelsohn. An Elementary Characterization of the Category of Partly Ordered Sets.. Mathematische Zeitschrift, Tome 122 (1971), pp. 111-116. http://geodesic.mathdoc.fr/item/MZ_1971__122_171587/