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Submitted on: 02 November 2015.
Revised on: 02 December 2015.
Accepted on: 08 December 2015.
Turkish Journal of Mathematics
Submitted on: 04 May 2016.
Revised on: 11 June 2016.
Accepted on: 17 June 2016.
Turkish Journal of Mathematics
Submitted on: 03 September 2016.
Revised on: 12 September 2016.
Accepted on: 09 October 2016.
Turkish Journal of Mathematics
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Submitted on: 01 March 2000.
Revised on: 21 March 2000.
Accepted on: 14 April 2000.
Turkish Journal of Mathematics
Submitted on: 18 July 2006.
Revised on: 24 August 2006.
Accepted on: 01 September 2006.
Turkish Journal of Mathematics