%0 Journal Article
%A Cassisa, C.
%A Ricci, P.E.
%A Tavkhelidze, I.
%T Operational identities for circular and hyperbolic functions and their generalizations.
%J Georgian Mathematical Journal
%D 2003
%P 45-56
%V 10
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/GMJ_2003__10_1_51147/
%G en
%F GMJ_2003__10_1_51147