@article{01716640,
title = {On },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {749-757},
doi = {10.1155/S0161171201006627},
zbl = {0996.06011},
language = {en},
url = {http://dml.mathdoc.fr/item/01716640}
}
Neggers, Joseph; Ahn, Sun Shin; Kim, Hee Sik. On . International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 749-757. doi : 10.1155/S0161171201006627. http://gdmltest.u-ga.fr/item/01716640/