@article{01049432,
title = {The },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {20},
year = {1997},
pages = {33-36},
doi = {10.1155/S0161171297000057},
zbl = {0904.11042},
language = {en},
url = {http://dml.mathdoc.fr/item/01049432}
}
Caragiu, Mihai; Caragiu, Mellita. The . International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 33-36. doi : 10.1155/S0161171297000057. http://gdmltest.u-ga.fr/item/01049432/