@article{05695195, title = {Weak and strong forms of }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2009}, year = {2009}, doi = {10.1155/2009/174042}, zbl = {1186.26002}, language = {en}, url = {http://dml.mathdoc.fr/item/05695195} }
Al-Omari, Ahmad; Noiri, Takashi; Noorani, Mohd.Salmi Md. Weak and strong forms of . International Journal of Mathematics and Mathematical Sciences, Tome 2009 (2009) . doi : 10.1155/2009/174042. http://gdmltest.u-ga.fr/item/05695195/