Charifi, Ahmed; Łukasik, Radosław; Almahalebi, Muaad Hyers-Ulam stability for a special class of functional equations. (English) Zbl 1488.39070 Facta Univ., Ser. Math. Inf. 32, No. 5, 715-727 (2017). MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{A. Charifi} et al., Facta Univ., Ser. Math. Inf. 32, No. 5, 715--727 (2017; Zbl 1488.39070)
Charifi, A.; Almahalebi, M.; Kabbaj, S. A generalization of Drygas functional equation. (English) Zbl 1352.39013 Proyecciones 35, No. 2, 159-176 (2016). Reviewer: Maryam Amyari (Mashhad) MSC: 39B52 39A70 PDFBibTeX XMLCite \textit{A. Charifi} et al., Proyecciones 35, No. 2, 159--176 (2016; Zbl 1352.39013) Full Text: DOI
Almahalebi, M.; Charifi, A.; Kabbaj, S. Hyperstability of a Cauchy functional equation. (English) Zbl 1413.39052 J. Nonlinear Anal. Optim. 6, No. 2, 127-137 (2015). MSC: 39B82 39B62 47H14 47H10 PDFBibTeX XMLCite \textit{M. Almahalebi} et al., J. Nonlinear Anal. Optim. 6, No. 2, 127--137 (2015; Zbl 1413.39052) Full Text: Link
Almahalebi, M.; Charifi, A.; Kabbaj, S.; Elqorachi, E. A fixed point approach to stability of the quadratic equation. (English) Zbl 1321.39029 Rassias, Themistocles M. (ed.) et al., Topics in mathematical analysis and applications. Cham: Springer (ISBN 978-3-319-06553-3/hbk; 978-3-319-06554-0/ebook). Springer Optimization and Its Applications 94, 53-77 (2014). MSC: 39B82 47H10 PDFBibTeX XMLCite \textit{M. Almahalebi} et al., Springer Optim. Appl. 94, 53--77 (2014; Zbl 1321.39029) Full Text: DOI