On approximate derivations RS Badora Mathematical Inequalities & Applications 9 (1), 2006 | 140 | 2006 |
On approximate ring homomorphisms R Badora Journal of Mathematical Analysis and Applications 276 (2), 589-597, 2002 | 114 | 2002 |
On some trigonometric functional inequalities R Badora, R Ger Functional Equations-Results and Advances, 2002 | 58 | 2002 |
On the stability of the cosine functional equation R Badora | 44 | 1998 |
On Hyers—Ulam stability of Wilson's functional equation R Badora aequationes mathematicae 60, 211-218, 2000 | 38 | 2000 |
On a joint generalization of Cauchy's and d'Alembert's functional equations R Badora aequationes mathematicae 43 (1), 72-89, 1992 | 38 | 1992 |
Additive selections and the stability of the Cauchy functional equation R Badora, R Ger, Z Páles The ANZIAM Journal 44 (3), 323-337, 2003 | 36 | 2003 |
On some generalized invariant means and their application to the stability of the Hyers-Ulam type R Badora Annales Polonici Mathematici 58 (2), 147-159, 1993 | 34 | 1993 |
Decomposition of mappings approximately inner product preserving R Badora, J Chmieliński Nonlinear Analysis: Theory, Methods & Applications 62 (6), 1015-1023, 2005 | 18 | 2005 |
On the Hahn-Banach theorem for groups R Badora Archiv der Mathematik 86 (6), 517-528, 2006 | 17 | 2006 |
Applications of Banach limit in Ulam stability R Badora, J Brzdęk, K Ciepliński Symmetry 13 (5), 841, 2021 | 12 | 2021 |
Fixed points of a mapping and Hyers–Ulam stability R Badora, J Brzdȩk Journal of Mathematical Analysis and Applications 413 (1), 450-457, 2014 | 12 | 2014 |
A note on a fixed point theorem and the Hyers–Ulam stability R Badora, J Brzde¸ k Journal of Difference Equations and Applications 18 (6), 1115-1119, 2012 | 12 | 2012 |
Note on the superstability of the Cauchy functional equation R Badora Publicationes Mathematicae Debrecen 57 (3-4), 421-424, 2000 | 11 | 2000 |
On Tabor groupoids and stability of some functional equations R Badora, B Przebieracz, P Volkmann Aequationes mathematicae 87, 165-171, 2014 | 9 | 2014 |
On the stability of a functional equation for generalized trigonometric functions TM Rassias, R Badora Functional Equations and Inequalities, 1-5, 2000 | 9 | 2000 |
Stability of the Pexider functional equation RS Badora, BG Przebieracz, P Volkmann Annales Mathematicae Silesianae, 2010 | 8 | 2010 |
On a generalized Wilson functional equation R Badora Walter de Gruyter GmbH & Co. KG 12 (4), 595-606, 2005 | 8 | 2005 |
Monomial selections of set-valued maps R Badora, Z Páles, L Székelyhidi aequationes mathematicae 58, 214-222, 1999 | 8 | 1999 |
Stability properties of some functional equations R Badora Functional Equations in Mathematical Analysis, 3-13, 2012 | 7 | 2012 |