## ISSN: 1450-5444

## (Formerly Review of Research Faculty of Science, Mathematics Series)

## Published by Institute of Mathematics, Faculty of Science, University of Novi Sad

# Contact Address

Novi Sad Journal of Mathematics

Institute of Mathematics

Trg Dositeja Obradovića 4

Novi Sad 21000

Serbia

e-mail: nsjom@dmi.uns.ac.rs

www: http://www.dmi.uns.ac.rs/NSJOM/

# List of published papers

# Editorial Board

Editor in Chief: **D. Herceg**, Novi Sad

Advisory Editor: **O. Hadžić**, Novi Sad

Editorial Secretaries: **A. Pavlović**, **H. Zarin**, Novi Sad

# Editors:

E.
Allgower, Fort Collins, CO |
M.
Obenguggenberger, Innsbruck |
||

K. Bothe,
Berlin |
E. Pap, Novi Sad |
||

H. D. Burkhard,
Berlin |
M. Petković, Niš |
||

G. S. Dulikravich,
Miami, FL |
S. Pilipović, Novi
Sad |
||

W. A. Dudek,
Wrocław |
M. Prvanović, Novi
Sad |
||

K. Gilezan,
Novi Sad |
H. M. Srivastava,
Canada |
||

J. Herzberger,
Oldenburg |
B. Stanković, Novi
Sad |
||

A. Ivić, Beograd |
Z. Stojaković, Novi
Sad |
||

Z. Ivković, Beograd |
C. Swartz, New Mexico |
||

A. Kamiński, Katowice |
D. Surla,
Novi Sad |
||

P. de Lucia, Napoli |
B. Šešelja, Novi
Sad |
||

V. Marić, Novi Sad |
R. Tošić, Novi Sad |
||

R. Mesiar,
Bratislava |
V. Vladimirov, Moscow |
||

G. Milovanović,
Niš |
H. Zedan,
Leicaster |

**NOVI SAD JOURNAL OF MATHEMATICS **(Formerly Review of Research, Faculty of Science, Mathematics Series (Zb. Rad. Prirod.-Mat. Fak. Ser. Mat.) for Volume 1, 1971 to Volume 15, 1995) publishes original research papers from all fields of pure and applied mathematics.

When preparing the manuscript please consider "Instructions to Authors".

Manuscripts and inquiries should be directed to the editor in chief or editorial secretary.

# Subscription

Annual subscription for foreign countries:** US $60** (one volume of two numbers).

**Orders, exchange journals, manuscripts and all correspondence concerning offprints should be sent to the editor in chief or editorial secretaries.**