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Submitted on: 24 September 2001.
Revised on: 18 October 2001.
Accepted on: 24 October 2001.
THEORY OF COMPUTING SYSTEMS
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Submitted on: 16 November 2018.
Revised on: 15 December 2018.
Accepted on: 06 January 2019.
THEORY OF COMPUTING SYSTEMS---SPRINGER
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Submitted on: 13 March 2006.
Revised on: 20 April 2006.
Accepted on: 13 May 2006.
THEORY OF COMPUTING SYSTEMS---SPRINGER
Submitted on: 26 September 2012.
Revised on: 25 October 2012.
Accepted on: 08 November 2012.
THEORY OF COMPUTING SYSTEMS
Submitted on: 13 July 2000.
Revised on: 23 August 2000.
Accepted on: 17 September 2000.
THEORY OF COMPUTING SYSTEMS