On the superstability of the cosine and sine type functional equations

Fouad Lehlou, Mohammed Moussa, Ahmed Roukbi, Samir Kabbaj
  • Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, January 2016, De Gruyter
  • DOI: 10.1515/aupcsm-2016-0010

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The following have contributed to this page: mr roukbi ahmed, Samir KABBAJ, and Fouad Lehlou