Submitted on: 26 August 1999.
Revised on: 26 September 1999.
Accepted on: 23 October 1999.
Optimization Letters---SPRINGER HEIDELBERG
Submitted on: 24 February 2019.
Revised on: 09 March 2019.
Accepted on: 25 March 2019.
Optimization Letters
Submitted on: 31 July 2013.
Revised on: 29 August 2013.
Accepted on: 07 September 2013.
Optimization Letters---SPRINGER HEIDELBERG
Submitted on: 02 September 2006.
Revised on: 11 September 2006.
Accepted on: 05 October 2006.
Optimization Letters---SPRINGER HEIDELBERG
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Submitted on: 06 August 2005.
Revised on: 04 September 2005.
Accepted on: 24 September 2005.
Optimization Letters---SPRINGER HEIDELBERG
Submitted on: 18 November 2004.
Revised on: 30 December 2004.
Accepted on: 25 January 2005.
Optimization Letters
http://reply.papertrans.cn/3/238/23739/23739-18.png
http://reply.papertrans.cn/3/238/23739/23739-19.png
Submitted on: 12 August 2002.
Revised on: 10 September 2002.
Accepted on: 20 September 2002.
Optimization Letters