@article{2379, author = {Morgado, Jos\'e}, title = {On complete congruences of complete lattices}, journal = {Portugaliae mathematica}, volume = {21}, year = {1962}, pages = {11-25}, zbl = {0107.25303}, mrnumber = {0144832}, language = {en}, url = {http://dml.mathdoc.fr/item/2379} }
Morgado, José. On complete congruences of complete lattices. Portugaliae mathematica, Tome 21 (1962) pp. 11-25. http://gdmltest.u-ga.fr/item/2379/