%0 Journal Article
%A Shinji Yamashita
%T Functions with H... hyperbolic derivative.
%J Mathematica Scandinavica
%D 1983
%P 238-244
%V 53
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1983__53_166869/
%F MS2_1983__53_166869