@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/