Operational identities for circular and hyperbolic functions and their generalizations.
Cassisa, C. ; Ricci, P.E. ; Tavkhelidze, I.
Georgian Mathematical Journal, Tome 10 (2003), p. 45-56 / Harvested from The Electronic Library of Mathematics
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Publié le : 2003-01-01
EUDML-ID : urn:eudml:doc:51147 
@article{02096922,
     title = {Operational identities for circular and hyperbolic functions and their generalizations.},
     journal = {Georgian Mathematical Journal},
     volume = {10},
     year = {2003},
     pages = {45-56},
     zbl = {1055.44008},
     language = {en},
     url = {http://dml.mathdoc.fr/item/02096922}
}

Cassisa, C.; Ricci, P.E.; Tavkhelidze, I. Operational identities for circular and hyperbolic functions and their generalizations.. Georgian Mathematical Journal, Tome 10 (2003) pp. 45-56. http://gdmltest.u-ga.fr/item/02096922/