Submitted on: 14 June 2006.
Revised on: 13 September 2006.
Accepted on: 21 October 2006.
___________________Journal of the Institute of Mathematics of Jussieu
http://reply.papertrans.cn/2/198/19746/19746-32.png
http://reply.papertrans.cn/2/198/19746/19746-33.png
Submitted on: 16 February 2010.
Revised on: 14 March 2010.
Accepted on: 27 April 2010.
___________________Journal of the Institute of Mathematics of Jussieu
Submitted on: 04 July 2006.
Revised on: 18 October 2006.
Accepted on: 04 November 2006.
___________________Journal of the Institute of Mathematics of Jussieu
http://reply.papertrans.cn/2/198/19746/19746-36.png