%0 Journal Article
%A Jens Schwaiger
%T On generalized hyperbolic functions and their characterization by functional equations.
%J Aequationes mathematicae
%D 1992
%P 198-210
%V 43
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137463/
%F AM2_1992__43_1_137463