@article{05574402, title = {Some properties of }, journal = {Abstract and Applied Analysis}, volume = {2009}, year = {2009}, doi = {10.1155/2009/562507}, zbl = {1168.46301}, language = {en}, url = {http://dml.mathdoc.fr/item/05574402} }
Fu, Xiaohong; Li, Songxiao. Some properties of . Abstract and Applied Analysis, Tome 2009 (2009) . doi : 10.1155/2009/562507. http://gdmltest.u-ga.fr/item/05574402/