@article{01140263, title = {Quasiorders, principal topologies, and partially ordered partitions.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {21}, year = {1998}, pages = {221-234}, doi = {10.1155/S0161171298000325}, zbl = {0898.54005}, language = {en}, url = {http://dml.mathdoc.fr/item/01140263} }
Richmond, Thomas A. Quasiorders, principal topologies, and partially ordered partitions.. International Journal of Mathematics and Mathematical Sciences, Tome 21 (1998) pp. 221-234. doi : 10.1155/S0161171298000325. http://gdmltest.u-ga.fr/item/01140263/