Kragujevac J. Math. 27 (2005) 101-143.
Sever S. Dragomir
School of Computer Science & Mathematics, Victoria
University,
P.O. Box 14428, Melbourne City MC, Victoria 8001,
Australia
(e-mails: Sever.Dragomir@vu.edu.au, sever@csm.vu.edu.au)
(Received June 15, 2005)