%0 Journal Article
%A Z. Kominek
%T $C^r$-solutions of a system of functional equations
%J Annales Polonici Mathematici
%D 1974
%P 191-203
%V 30
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-30-2-191-203/
%R 10.4064/ap-30-2-191-203
%G en
%F 10_4064_ap_30_2_191_203