%0 Journal Article
%A Stefan Czerwik
%T Solutions of a system of functional equations in some class functions.
%J Aequationes mathematicae
%D 1978
%P 289-295
%V 18
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1978__18_136785/
%F AM2_1978__18_136785