@article{GDZPPN002084465, title = {Field-independent representations of partially ordered sets.}, journal = {Forum mathematicum}, volume = {4}, year = {1992}, pages = {349-358}, zbl = {0763.06001}, url = {http://dml.mathdoc.fr/item/GDZPPN002084465} }
Richman, Fred; Arnold, David M. Field-independent representations of partially ordered sets.. Forum mathematicum, Tome 4 (1992) pp. 349-358. http://gdmltest.u-ga.fr/item/GDZPPN002084465/