%0 Journal Article
%A Charinthip Hengkrawit
%A Vichian Laohakosol
%A Patanee Udomkavanich
%T Rational Recursive Equations Characterizing Cotangent-tangent and Hyperbolic Cotangent-tangent Functions
%J Bulletin of the Malaysian Mathematical Society
%D 2010
%V 33
%N 3
%U http://geodesic.mathdoc.fr/item/BMMS_2010_33_3_a7/
%F BMMS_2010_33_3_a7