Submitted on: 25 January 2014.
Revised on: 17 February 2014.
Accepted on: 15 March 2014.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
http://reply.papertrans.cn/1/9/841/841-22.png
Submitted on: 01 January 1998.
Revised on: 09 February 1998.
Accepted on: 06 March 1998.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
http://reply.papertrans.cn/1/9/841/841-24.png
Submitted on: 10 June 2024.
Revised on: 04 July 2024.
Accepted on: 10 August 2024.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
Submitted on: 05 February 2001.
Revised on: 12 May 2001.
Accepted on: 06 July 2001.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
Submitted on: 16 January 2014.
Revised on: 14 March 2014.
Accepted on: 08 April 2014.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
Submitted on: 15 October 2013.
Revised on: 06 December 2013.
Accepted on: 03 February 2014.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
Submitted on: 24 November 2013.
Revised on: 09 January 2014.
Accepted on: 30 January 2014.
___________________Aequationes Mathematicae---SPRINGER BASEL AG
Submitted on: 22 February 2015.
Revised on: 12 May 2015.
Accepted on: 10 July 2015.
___________________Aequationes Mathematicae---SPRINGER BASEL AG