%0 Journal Article
%A P.K. Sahoo
%A J. Chung
%A P. Kannappan
%T On trigonometric functional equations of rectangular type.
%J Aequationes mathematicae
%D 1997
%P 36-53
%V 53
%N 1-2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1997__53_1-2_137676/
%F AM2_1997__53_1-2_137676