TY  - JOUR
AU  - Jens Schwaiger
TI  - On generalized hyperbolic functions and their characterization by functional equations.
JO  - Aequationes mathematicae
PY  - 1992
SP  - 198
EP  - 210
VL  - 43
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137463/
ID  - AM2_1992__43_1_137463
ER  -