@article{01656484,
title = {On },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {193-197},
doi = {10.1155/S0161171201005804},
zbl = {0988.19002},
language = {en},
url = {http://dml.mathdoc.fr/item/01656484}
}
Elhamdadi, Mohamed. On . International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 193-197. doi : 10.1155/S0161171201005804. http://gdmltest.u-ga.fr/item/01656484/