Title	Publication Date	Language	Citations
Dynamics of the King and Jarratt iterations	2005/05/01	English	116
Recent results on functional equations in a single variable, perspectives and open problems	2001/02/01		104
On Birkhoff orthogonality and isosceles orthogonality in normed linear spaces	2011/09/18	English	103
On the stability of functional equations	2009/03/01	English	83
Remarks on strongly convex functions	2010/09/01	English	80
Singular boundary value problems for first and second order impulsive differential equations	2005/03/01	English	70
Stability of a functional inequality associated with the Jordan – von Neumann functional equation	2006/03/01	English	65
On inequalities associated with the Jordan-von Neumann functional equation	2003/08/01	English	64
Remark on hyperstability of the general linear equation	2013/06/15	English	56
Antinorms and Radon curves	2006/09/01	English	52
Invariant and complementary quasi-arithmetic means	1999/02/01		48
Meromorphic solutions of generalized Schröder equations	2002/02/01	English	47
Hermite–Hadamard inequality for convex stochastic processes	2011/07/15	English	46
Combinatorial problems on the illumination of convex bodies	1999/05/01		44
Non-existence of meromorphic solutions of a Fermat type functional equation	2008/09/01	English	43
The Gołab–Schinzel equation and its generalizations	2005/09/01	English	40
Remarks on hyperstability of the Cauchy functional equation	2012/11/18	English	38
Functional equations on semigroups	2000/05/01		38
On path-factor critical deleted (or covered) graphs	2021/11/02	English	37
Problems on associative functions	2003/08/01	English	35
d’Alembert’s other functional equation on monoids with an involution	2014/10/02	English	34
A result of Tosio Aoki about a generalization of Hyers–Ulam stability of additive functions – a question of priority	2008/06/01	English	33
On left Jordan derivations of rings and Banach algebras	2008/06/01	English	33
Characteristic solutions of polynomial-like iterative equations	2004/03/01	English	33
Iterative functional equations in the class of Lipschitz functions	2002/08/01	English	32
On stability of the general linear equation	2014/11/14	English	32
Hermite–Hadamard type inequalities for the m- and (α, m)-geometrically convex functions	2012/01/21	English	31
Block inclusions and cores of partitions	2007/09/01	English	30
Ordinal sums and idempotents of copulas	2010/03/01	English	29
On complex analytic solutions of certain trinomial functional and partial differential equations	2012/08/31	English	29