Volume 18 (1999)

Dedicated to the memory of
Imre Környei (1930-1993)
and
Béla Kovács (1946-1993)


Front pages

Pages: 1–2


Imre Környei (1930-1993)

I. Kátai

Pages: 3–3


List of publications of Imre Környei

Pages: 5–6


Béla Kovács (1946-1993)

I. Kátai

Pages: 7–7


List of publications of Béla Kovács

Pages: 9–10


A queueing model for a non-homogeneous polling system subject to breakdowns

B. Almási

Pages: 11–23


On additive functions with respect to the expansion of real numbers into generalized number systems

N.L. Bassily, S. Ishak and I. Kátai

Pages: 25–33


Reduced residue systems and a problem for multiplicative functions

Bui Minh Phong

Pages: 35–46


Number systems in real quadratic fields

G. Farkas

Pages: 47–59


Power integer bases in algebraic number fields

I. Gaál

Pages: 61–87


Approximation of real numbers by rationals via series expansions

J. Galambos

Pages: 89–93


Almost-periodic multiplicative functions on the set of shifted primes

K.-H. Indlekofer and N.M. Timofeev

Pages: 95–102


Construction of number systems in algebraic number fields

I. Kátai

Pages: 103–107


Solution of diophantine equations by second order linear recurrences

P. Kiss and K. Liptai

Pages: 109–114


Sets of complex numbers generated from a polynomial functional equation

A. Kovács

Pages: 115–124


On the convexity of fuzzified functions

M. Kovács

Pages: 125–136


On the \( M^X/G/1\) system

L. Lakatos

Pages: 137–150


On the distribution of the values of an additive arithmetical function with values in a locally compact abelian group II.

J.-L. Mauclaire

Pages: 151–159


A characterization of some additive arithmetical functions II.

J.-L. Mauclaire

Pages: 161–165


On the periodic expansion of algebraic numbers

A. Pethő

Pages: 167–174


The mean values of multiplicative functions I.

G. Stepanauskas

Pages: 175–186


A connection between a class of iterative recurrence relations and some word sequences

B. Zay

Pages: 187–193


Index of Volume 18

Pages: 195–196


Back pages

Pages: 197–198


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