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@article{FORUM_1992__4_6_141679, author = {Fred Richman and David M. Arnold}, title = {Field-independent representations of partially ordered sets.}, journal = {Forum mathematicum}, pages = {349--358}, publisher = {mathdoc}, volume = {4}, number = {6}, year = {1992}, zbl = {0763.06001}, url = {http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141679/} }
Fred Richman; David M. Arnold. Field-independent representations of partially ordered sets.. Forum mathematicum, Tome 4 (1992) no. 6, pp. 349-358. http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141679/