@article{05904698,
title = {The },
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {15},
year = {2010},
pages = {39-48},
zbl = {1228.53025},
language = {en},
url = {http://dml.mathdoc.fr/item/05904698}
}
Deng, Shaoqiang; Wang, Xiaoyang. The . Balkan Journal of Geometry and its Applications (BJGA), Tome 15 (2010) pp. 39-48. http://gdmltest.u-ga.fr/item/05904698/