@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/