Submitted on: 14 July 2013.
Revised on: 13 September 2013.
Accepted on: 05 October 2013.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A
Submitted on: 17 July 2007.
Revised on: 28 October 2007.
Accepted on: 01 December 2007.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A
Submitted on: 17 August 2002.
Revised on: 28 October 2002.
Accepted on: 22 December 2002.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A
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Submitted on: 17 April 2007.
Revised on: 24 May 2007.
Accepted on: 19 July 2007.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A
Submitted on: 25 September 2017.
Revised on: 11 January 2018.
Accepted on: 11 February 2018.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A
Submitted on: 28 October 2019.
Revised on: 28 January 2020.
Accepted on: 07 March 2020.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A
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Submitted on: 10 October 2003.
Revised on: 17 November 2003.
Accepted on: 09 December 2003.
___________________JOURNAL OF COMBINATORIAL THEORY SERIES A