Submitted on: 09 January 2010.
Revised on: 20 January 2010.
Accepted on: 10 February 2010.
NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS
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Submitted on: 20 March 1999.
Revised on: 02 April 1999.
Accepted on: 13 April 1999.
NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS
Submitted on: 14 April 2011.
Revised on: 19 May 2011.
Accepted on: 09 June 2011.
NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS