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Submitted on: 04 November 2007.
Revised on: 02 December 2007.
Accepted on: 11 December 2007.
REVUE ROUMAINE DE MATHEMATIQUES PURES ET APPLIQUEES
Submitted on: 23 April 2003.
Revised on: 05 May 2003.
Accepted on: 30 May 2003.
REVUE ROUMAINE DE MATHEMATIQUES PURES ET APPLIQUEES
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Submitted on: 20 July 2010.
Revised on: 11 August 2010.
Accepted on: 02 September 2010.
REVUE ROUMAINE DE MATHEMATIQUES PURES ET APPLIQUEES
Submitted on: 07 March 2009.
Revised on: 28 March 2009.
Accepted on: 18 April 2009.
REVUE ROUMAINE DE MATHEMATIQUES PURES ET APPLIQUEES
Submitted on: 30 July 2000.
Revised on: 15 August 2000.
Accepted on: 06 September 2000.
REVUE ROUMAINE DE MATHEMATIQUES PURES ET APPLIQUEES
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