@article{1256055104,
author = {Iqbalunnisa},
title = {Normal, simple and neutral congruences on lattices},
journal = {Illinois J. Math.},
volume = {10},
number = {4},
year = {1966},
pages = { 227-234},
language = {en},
url = {http://dml.mathdoc.fr/item/1256055104}
}
Iqbalunnisa. Normal, simple and neutral congruences on lattices. Illinois J. Math., Tome 10 (1966) no. 4, pp. 227-234. http://gdmltest.u-ga.fr/item/1256055104/