Submitted on: 16 September 2015.
Revised on: 31 October 2015.
Accepted on: 25 November 2015.
___________________Boundary Value Problems---SPRINGER
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Submitted on: 25 April 2006.
Revised on: 02 June 2006.
Accepted on: 23 June 2006.
___________________Boundary Value Problems---SPRINGER
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Submitted on: 11 November 2021.
Revised on: 09 January 2022.
Accepted on: 26 January 2022.
___________________Boundary Value Problems---SPRINGER
Submitted on: 12 March 2011.
Revised on: 21 April 2011.
Accepted on: 20 May 2011.
___________________Boundary Value Problems---SPRINGER
Submitted on: 01 August 2022.
Revised on: 10 October 2022.
Accepted on: 27 November 2022.
___________________Boundary Value Problems---SPRINGER