Submitted on: 05 November 2005.
Revised on: 18 December 2005.
Accepted on: 10 January 2006.
PROBUS---DE GRUYTER MOUTON
Submitted on: 16 February 2000.
Revised on: 01 March 2000.
Accepted on: 06 March 2000.
PROBUS
http://reply.papertrans.cn/3/253/25258/25258-33.png
Submitted on: 06 December 2017.
Revised on: 18 December 2017.
Accepted on: 03 January 2018.
PROBUS---DE GRUYTER MOUTON
http://reply.papertrans.cn/3/253/25258/25258-35.png
http://reply.papertrans.cn/3/253/25258/25258-36.png