1998/52/3-4
What to do until (and when) the functional equationist arrives
János Aczél
On a generalized Lagrange's identity characterizing inner product spaces
Claudi Alsina
Some remarks on a lemma of A. E. Ingham
R. Balasubramanian and K. Ramachandra
On orthogonally additive functions
Karol Baron and Peter Volkmann
Translation equation and some new geometries
W. Benz
Regular functions that preserve digital representation
Zoltán Boros
Orthogonality equation almost everywhere
Jacek Chmieliński and Jürg Rätz
Periodical scheduling
János Demetrovics, Katalin Friedl and Lajos Rónyai
Localizable composable measures of fuzziness
Bruce R. Ebanks
On generalized $q$-multiplicative functions
J. Fehér
Transfer functions and spectral projections
K.-H. Förster and B. Nagy
Further metric results on series expansions
János Galambos
On a conditional Cauchy functional equation involving cubes of finite fields. I. The case of characteristic $p\equiv 1$ (mod 3)
J.-L. García-Roig and Emma Martín-Gutiérrez
On an equation of ring homomorphisms
Roman Ger
On the stability of the square-norm equation
Attila Gilányi
On some subsets of the set of shifted primes
Karl-Heinz Indlekofer and Nikolai M. Timofeev
On integral representations for powers of the Riemann zeta-function
Aleksandar Ivić
A generalization of a theorem of Piccard
Antal Járai
On a functional equation of Alsina and García-Roig
Károly Lajkó
A limit theorem in the theory of finite Abelian groups
A. Laurinčikas
On equivalence of coefficient conditions with assumptions of monotonicity
László Leindler
The solution of a system of functional equations related to selection probabilities
Gy. Maksa
Continuous solutions of a functional equation
Janusz Matkowski
A proper standard $C ^\ast$-algebra whose automorphism and isometry groups are topologically reflexive
Lajos Molnár
A characterization of midpoint-quasiaffine functions
Kazimierz Nikodem and Zsolt Páles
Characterizing polynomial functions by a mean value property
Thomas Riedel and Maciej Sablik
On the strong summability of Walsh series
Ferenc Schipp
Remarks on Walsh—Fourier multipliers
P. Simon
The mean values of multiplicative functions. IV.
Gediminas Stepanauskas
A companion to a Lehmer problem
M. V. Subbarao
On common eigenfunctions of difference operators
László Székelyhidi
$(C,\alpha)$ means of $d$-dimensional trigonometric-Fourier series
Ferenc Weisz