Submitted on: 23 June 2014.
Revised on: 13 September 2014.
Accepted on: 27 September 2014.
___________________British Journal for the History of Mathematics
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http://reply.papertrans.cn/1/42/4184/4184-33.png
Submitted on: 14 November 2020.
Revised on: 15 February 2021.
Accepted on: 20 March 2021.
___________________British Journal for the History of Mathematics
Submitted on: 15 November 2015.
Revised on: 13 March 2016.
Accepted on: 05 April 2016.
___________________British Journal for the History of Mathematics
Submitted on: 11 May 2009.
Revised on: 02 September 2009.
Accepted on: 23 October 2009.
___________________British Journal for the History of Mathematics