@article{05178949, title = {Semi }, journal = {Bulletin of the Malaysian Mathematical Sciences Society. Second Series}, volume = {29}, year = {2006}, pages = {1-10}, zbl = {1119.54004}, language = {en}, url = {http://dml.mathdoc.fr/item/05178949} }
Hanafy, I.M.; Abd El-Aziz, A.M.; Salman, T.M. Semi . Bulletin of the Malaysian Mathematical Sciences Society. Second Series, Tome 29 (2006) pp. 1-10. http://gdmltest.u-ga.fr/item/05178949/