Bouikhalene, Belaid; Eloqrachi, Elhoucien Hyers-Ulam stability of spherical functions. (English) Zbl 1338.39035 Georgian Math. J. 23, No. 2, 181-189 (2016). MSC: 39B52 39B82 PDFBibTeX XMLCite \textit{B. Bouikhalene} and \textit{E. Eloqrachi}, Georgian Math. J. 23, No. 2, 181--189 (2016; Zbl 1338.39035) Full Text: DOI
Chahbi, A. B.; Charifi, A.; Bouikhalene, B.; Kabbaj, S. Operatorial approach to the non-Archimedean stability of a Pexider K-quadratic functional equation. (English) Zbl 1308.39022 Arab J. Math. Sci. 21, No. 1, 67-83 (2015). MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{A. B. Chahbi} et al., Arab J. Math. Sci. 21, No. 1, 67--83 (2015; Zbl 1308.39022) Full Text: DOI
Charifi, Ahmed; Bouikhalene, Belaid; Kabbaj, Samir; Rassias, John Michael On the stability of a pexiderized Gołąb-Schinzel equation. (English) Zbl 1193.39016 Comput. Math. Appl. 59, No. 9, 3193-3202 (2010). MSC: 39B82 PDFBibTeX XMLCite \textit{A. Charifi} et al., Comput. Math. Appl. 59, No. 9, 3193--3202 (2010; Zbl 1193.39016) Full Text: DOI