Submitted on: 29 May 1999.
Revised on: 26 September 1999.
Accepted on: 09 November 1999.
___________________Analysis and Applications---WORLD SCIENTIFIC PUBL CO PTE LTD
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Submitted on: 26 June 2013.
Revised on: 16 September 2013.
Accepted on: 18 October 2013.
___________________Analysis and Applications---WORLD SCIENTIFIC PUBL CO PTE LTD
Submitted on: 10 August 1998.
Revised on: 03 December 1998.
Accepted on: 11 January 1999.
___________________Analysis and Applications---WORLD SCIENTIFIC PUBL CO PTE LTD
Submitted on: 24 December 2013.
Revised on: 30 January 2014.
Accepted on: 08 March 2014.
___________________Analysis and Applications---WORLD SCIENTIFIC PUBL CO PTE LTD
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