@article{2532, author = {Janowitz, M.F.}, title = {Residuated closure operators}, journal = {Portugaliae mathematica}, volume = {26}, year = {1967}, pages = {221-252}, zbl = {0204.02702}, mrnumber = {0249331}, language = {en}, url = {http://dml.mathdoc.fr/item/2532} }
Janowitz, M.F. Residuated closure operators. Portugaliae mathematica, Tome 26 (1967) pp. 221-252. http://gdmltest.u-ga.fr/item/2532/