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Submitted on: 08 July 2015.
Revised on: 22 August 2015.
Accepted on: 07 October 2015.
___________________JOURNAL OF INEQUALITIES AND APPLICATIONS
Submitted on: 14 February 2004.
Revised on: 24 April 2004.
Accepted on: 14 June 2004.
___________________JOURNAL OF INEQUALITIES AND APPLICATIONS
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