@article{01780296, title = {Normal characterizations of lattices.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {561-570}, doi = {10.1155/S0161171201007256}, zbl = {0995.28001}, language = {en}, url = {http://dml.mathdoc.fr/item/01780296} }
Vlad, Carmen D. Normal characterizations of lattices.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 561-570. doi : 10.1155/S0161171201007256. http://gdmltest.u-ga.fr/item/01780296/