Arab Journal of Mathematical Sciences
Arab Journal of Mathematical Sciences > 2011 > 17 > 2 > 153-169
Arab Journal of Mathematical Sciences > 2011 > 17 > 2 > 115-134
Arab Journal of Mathematical Sciences > 2011 > 17 > 2 > 101-113
Arab Journal of Mathematical Sciences > 2011 > 17 > 2 > 75-88
Arab Journal of Mathematical Sciences > 2011 > 17 > 2 > 135-151
Arab Journal of Mathematical Sciences > 2011 > 17 > 2 > 89-99