%0 Journal Article
%A Z. Krzeszowiak-Dybiec
%T Existence of differentiable solutions of a system of functional equations of first order
%J Annales Polonici Mathematici
%D 1980
%P 119-129
%V 37
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-37-2-119-129/
%R 10.4064/ap-37-2-119-129
%G en
%F 10_4064_ap_37_2_119_129