Matloob Anwar,1 Naveed Latif,1 and J. Pečarić1, 2 1 Abdus Salam School of Mathematical Sciences, 68-B New Muslim Town, GC University, Lahore 54000, Pakistan 2 Faculty of Textile Technology, University of Zagreb, Pierottijeva 6, Zagreb 10000, Croatia Correspondence should be addressed to Naveed Latif, [email protected] Received 9 October 2008; Accepted 2 February 2009 Recommended by Wing-S...
