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Submitted on: 22 November 2014.
Revised on: 26 December 2014.
Accepted on: 30 January 2015.
___________________Inverse Problems and Imaging---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 21 August 2008.
Revised on: 03 December 2008.
Accepted on: 25 December 2008.
___________________Inverse Problems and Imaging---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 30 March 1998.
Revised on: 04 July 1998.
Accepted on: 27 August 1998.
___________________Inverse Problems and Imaging---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 03 April 2011.
Revised on: 21 June 2011.
Accepted on: 13 August 2011.
___________________Inverse Problems and Imaging---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 20 January 2016.
Revised on: 13 March 2016.
Accepted on: 09 May 2016.
___________________Inverse Problems and Imaging---AMER INST MATHEMATICAL SCIENCES-AIMS