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http://reply.papertrans.cn/3/205/20449/20449-12.png
Submitted on: 14 May 2002.
Revised on: 01 June 2002.
Accepted on: 28 June 2002.
Kyushu Journal of Mathematics---KYUSHU UNIV, FAC MATHEMATICS
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Submitted on: 04 July 2014.
Revised on: 28 July 2014.
Accepted on: 20 August 2014.
Kyushu Journal of Mathematics---KYUSHU UNIV, FAC MATHEMATICS
Submitted on: 12 April 2012.
Revised on: 21 May 2012.
Accepted on: 28 May 2012.
Kyushu Journal of Mathematics
http://reply.papertrans.cn/3/205/20449/20449-18.png
Submitted on: 27 January 2022.
Revised on: 06 February 2022.
Accepted on: 14 February 2022.
Kyushu Journal of Mathematics---KYUSHU UNIV, FAC MATHEMATICS
Submitted on: 06 July 2003.
Revised on: 29 July 2003.
Accepted on: 11 August 2003.
Kyushu Journal of Mathematics