http://reply.papertrans.cn/3/259/25843/25843-11.png
Submitted on: 19 February 2014.
Revised on: 03 March 2014.
Accepted on: 09 March 2014.
Pure and Applied Mathematics Quarterly
http://reply.papertrans.cn/3/259/25843/25843-13.png
http://reply.papertrans.cn/3/259/25843/25843-14.png
http://reply.papertrans.cn/3/259/25843/25843-15.png
Submitted on: 01 March 2017.
Revised on: 13 April 2017.
Accepted on: 18 April 2017.
Pure and Applied Mathematics Quarterly
http://reply.papertrans.cn/3/259/25843/25843-17.png
Submitted on: 06 January 2007.
Revised on: 21 January 2007.
Accepted on: 09 February 2007.
Pure and Applied Mathematics Quarterly
http://reply.papertrans.cn/3/259/25843/25843-19.png
http://reply.papertrans.cn/3/259/25843/25843-20.png