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