@article{02128950,
title = {Some properties of },
journal = {Novi Sad Journal of Mathematics},
volume = {33},
year = {2003},
pages = {129-132},
zbl = {1054.51015},
language = {en},
url = {http://dml.mathdoc.fr/item/02128950}
}
Janić, Milan. Some properties of . Novi Sad Journal of Mathematics, Tome 33 (2003) pp. 129-132. http://gdmltest.u-ga.fr/item/02128950/