TY  - JOUR
AU  - V. Petrov
TI  - On a Problem Stated by Gyori and Ladas
JO  - Mathematica balkanica
PY  - 1996
SP  - 175
VL  - 10
IS  - 2-3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1996_10_2-3_a2/
ID  - MABA_1996_10_2-3_a2
ER  -