TY  - JOUR
AU  - Pavel Kostyrko
TI  - On a local form of Jensen's functional equation.
JO  - Aequationes mathematicae
PY  - 1986
SP  - 65
EP  - 69
VL  - 30
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1986__30_137112/
ID  - AM2_1986__30_137112
ER  -