%0 Journal Article
%A H.L. Vasudeva
%A J.C. Parnami
%T A comparative study of functional equations characterising sine and cosine.
%J Aequationes mathematicae
%D 1986
%P 26-33
%V 31
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1986__31_137139/
%F AM2_1986__31_137139