%0 Journal Article
%A Haruki, Hiroshi
%T On Two Functional Equations for the Trigonometric Functions
%J Canadian mathematical bulletin
%D 1969
%P 281-286
%V 12
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-035-1/
%R 10.4153/CMB-1969-035-1
%F 10_4153_CMB_1969_035_1