Submitted on: 20 August 2021.
Revised on: 14 December 2021.
Accepted on: 20 January 2022.
___________________Acta Mechanica et Automatica---SCIENDO
Submitted on: 05 January 2018.
Revised on: 09 February 2018.
Accepted on: 04 April 2018.
___________________Acta Mechanica et Automatica---SCIENDO
Submitted on: 14 December 1998.
Revised on: 19 January 1999.
Accepted on: 13 March 1999.
___________________Acta Mechanica et Automatica---SCIENDO
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Submitted on: 20 November 2002.
Revised on: 11 January 2003.
Accepted on: 08 February 2003.
___________________Acta Mechanica et Automatica---SCIENDO
Submitted on: 12 July 2004.
Revised on: 13 September 2004.
Accepted on: 25 October 2004.
___________________Acta Mechanica et Automatica---SCIENDO