@article{05798433, title = {A subclass of }, journal = {Acta Universitatis Apulensis. Mathematics - Informatics}, volume = {21}, year = {2010}, pages = {135-142}, zbl = {1212.30024}, language = {en}, url = {http://dml.mathdoc.fr/item/05798433} }
Aouf, M.K.; Shamandy, A.; Mostafa, A.O.; Madian, S.M. A subclass of . Acta Universitatis Apulensis. Mathematics - Informatics, Tome 21 (2010) pp. 135-142. http://gdmltest.u-ga.fr/item/05798433/