Submitted on: 22 May 2010.
Revised on: 30 May 2010.
Accepted on: 23 June 2010.
Tbilisi Mathematical Journal---SPRINGER HEIDELBERGN/A
Submitted on: 06 June 2022.
Revised on: 29 June 2022.
Accepted on: 08 July 2022.
Tbilisi Mathematical Journal
Submitted on: 02 July 2017.
Revised on: 31 July 2017.
Accepted on: 27 August 2017.
Tbilisi Mathematical Journal
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http://reply.papertrans.cn/3/292/29177/29177-35.png
Submitted on: 17 September 2022.
Revised on: 16 October 2022.
Accepted on: 25 October 2022.
Tbilisi Mathematical Journal---SPRINGER HEIDELBERGN/A