%0 Journal Article
%A Stefan Czerwik
%T Solutions of a system of functional equations in some classes of functions. (Short Communication).
%J Aequationes mathematicae
%D 1977
%P 309-309
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1977__16_136703/
%F AM2_1977__16_136703