@article{MSH_1964__5__27_0,
author = {Chenon, R.},
title = {Bi-ordres},
journal = {Math\'ematiques et Sciences humaines},
volume = {9},
year = {1964},
pages = {27-32},
language = {fr},
url = {http://dml.mathdoc.fr/item/MSH_1964__5__27_0}
}
Chenon, R. Bi-ordres. Mathématiques et Sciences humaines, Tome 9 (1964) pp. 27-32. http://gdmltest.u-ga.fr/item/MSH_1964__5__27_0/