@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/