@article{1093891102,
author = {Belding, W. Russell},
title = {Incidence rings of pre-ordered sets.},
journal = {Notre Dame J. Formal Logic},
volume = {14},
number = {1},
year = {1973},
pages = { 481-509},
language = {en},
url = {http://dml.mathdoc.fr/item/1093891102}
}
Belding, W. Russell. Incidence rings of pre-ordered sets.. Notre Dame J. Formal Logic, Tome 14 (1973) no. 1, pp. 481-509. http://gdmltest.u-ga.fr/item/1093891102/