Approximate solution of radical quartic functional equation related to additive mapping in 2-Banach spaces II El-Fassi Journal of Mathematical Analysis and Applications 455 (2), 2001-2013, 2017 | 29 | 2017 |
Solution and approximation of radical quintic functional equation related to quintic mapping in quasi--Banach spaces I EL-Fassi Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie …, 2019 | 26 | 2019 |
Generalized hyperstability of a Drygas functional equation on a restricted domain using Brzdęk’s fixed point theorem I EL-Fassi Journal of Fixed Point Theory and Applications 19, 2529-2540, 2017 | 24 | 2017 |
Hyperstability of Cauchy–Jensen functional equations II El-Fassi, S Kabbaj, A Charifi Indagationes Mathematicae 27 (3), 855-867, 2016 | 21 | 2016 |
New stability results for the radical sextic functional equation related to quadratic mappings in -Banach spaces I EL-Fassi Journal of Fixed Point Theory and Applications 20, 1-17, 2018 | 16 | 2018 |
On the general solution and hyperstability of the general radical quintic functional equation in quasi-β-Banach spaces I EL-Fassi Journal of Mathematical Analysis and Applications 466 (1), 733-748, 2018 | 16 | 2018 |
On the hyperstability of a Cauchy-Jensen type functional equation in Banach spaces II El-Fassi, S Kabbaj Proyecciones (Antofagasta) 34 (4), 359-375, 2015 | 16 | 2015 |
On hyperstability of the biadditive functional equation I El-Fassi, J BRZDĘK, A Chahbi, S Kabbaj Acta Mathematica Scientia 37 (6), 1727-1739, 2017 | 14 | 2017 |
On a new type of hyperstability for radical cubic functional equation in non-Archimedean metric spaces II El-Fassi Results in Mathematics 72, 991-1005, 2017 | 14 | 2017 |
A new type of approximation for the radical quintic functional equation in non-Archimedean (2, β)-Banach spaces I El-Fassi Journal of Mathematical Analysis and Applications 457 (1), 322-335, 2018 | 13 | 2018 |
On the generalized orthogonal stability of the pexiderized quadratic functional equations in modular spaces II El-Fassi, S Kabbaj Mathematica Slovaca 67 (1), 165-178, 2017 | 13 | 2017 |
On set-valued solutions of a generalized bi-quadratic functional equation I EL-Fassi, ES El-Hady, K Nikodem Results in Mathematics 75 (3), 89, 2020 | 8 | 2020 |
On Jensen’s and the quadratic functional equations with involutions B Fadli, A Chahbi, I El-Fassi, S Kabbaj Proyecciones (Antofagasta) 35 (2), 213-223, 2016 | 8 | 2016 |
Superstability of a Pexider-type trigonometric functional equation in normed algebras I EL-Fassi, S Kabbaj, GH Kim Int. J. Math. Anal 9, 2839-2848, 2015 | 8 | 2015 |
A Fixed Point Approach to Stability of k- Radical Functional Equation in Non-Archimedean -Banach Spaces I EL-Fassi, E Elqorachi, H Khodaei Bulletin of the Iranian Mathematical society 47, 487-504, 2021 | 7 | 2021 |
On the hyperstability of a pexiderised-quadratic functional equation on semigroups II El-Fassi, J BRZDĘK Bulletin of the Australian Mathematical Society 97 (3), 459-470, 2018 | 7 | 2018 |
Non-Archimedean random stability of σ-quadratic functional equation I El-Fassi, S Kabbaj Thai J. Math 14, 151-165, 2016 | 7 | 2016 |
The Solution of a class functional equations on semi-groups II El-Fassi, A Chahbi, S Kabbaj Filomat 31 (14), 4613-4618, 2017 | 6 | 2017 |
On approximation of approximately generalized quadratic functional equation via Lipschitz criteria I EL-Fassi Quaestiones Mathematicae 42 (5), 651-663, 2019 | 5 | 2019 |
Lipschitz stability of the k-quadratic functional equation A Chahbi, II El-Fassi, S Kabbaj Quaestiones Mathematicae 40 (8), 991-1001, 2017 | 5 | 2017 |