TY  - JOUR
AU  - Cassisa, C.
AU  - Ricci, P.E.
AU  - Tavkhelidze, I.
TI  - Operational identities for circular and hyperbolic functions and their generalizations.
JO  - Georgian Mathematical Journal
PY  - 2003
SP  - 45
EP  - 56
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/GMJ_2003__10_1_51147/
LA  - en
ID  - GMJ_2003__10_1_51147
ER  -