Submitted on: 25 June 2015.
Revised on: 30 August 2015.
Accepted on: 27 October 2015.
___________________AMERICAN MATHEMATICAL MONTHLY---TAYLOR & FRANCIS INC
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Submitted on: 18 November 2023.
Revised on: 11 January 2024.
Accepted on: 28 February 2024.
___________________AMERICAN MATHEMATICAL MONTHLY---TAYLOR & FRANCIS INC
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Submitted on: 16 February 2010.
Revised on: 08 April 2010.
Accepted on: 22 May 2010.
___________________AMERICAN MATHEMATICAL MONTHLY---TAYLOR & FRANCIS INC
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Submitted on: 05 May 2013.
Revised on: 08 June 2013.
Accepted on: 10 July 2013.
___________________AMERICAN MATHEMATICAL MONTHLY---TAYLOR & FRANCIS INC
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Submitted on: 16 December 2001.
Revised on: 15 March 2002.
Accepted on: 21 April 2002.
___________________AMERICAN MATHEMATICAL MONTHLY---TAYLOR & FRANCIS INC
Submitted on: 27 February 2002.
Revised on: 24 May 2002.
Accepted on: 13 June 2002.
___________________AMERICAN MATHEMATICAL MONTHLY---TAYLOR & FRANCIS INC