Submitted on: 12 October 2021.
Revised on: 09 November 2021.
Accepted on: 14 November 2021.
New York Journal of Mathematics
Submitted on: 24 September 2001.
Revised on: 08 October 2001.
Accepted on: 13 October 2001.
New York Journal of Mathematics
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Submitted on: 03 June 2003.
Revised on: 12 June 2003.
Accepted on: 03 July 2003.
New York Journal of Mathematics
Submitted on: 14 December 2010.
Revised on: 23 January 2011.
Accepted on: 03 February 2011.
New York Journal of Mathematics
Submitted on: 22 June 2017.
Revised on: 03 August 2017.
Accepted on: 15 August 2017.
New York Journal of Mathematics
Submitted on: 20 April 2001.
Revised on: 27 May 2001.
Accepted on: 14 June 2001.
New York Journal of Mathematics
http://reply.papertrans.cn/3/232/23124/23124-28.png
Submitted on: 12 February 2001.
Revised on: 21 March 2001.
Accepted on: 08 April 2001.
New York Journal of Mathematics
http://reply.papertrans.cn/3/232/23124/23124-30.png