@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/}
}