%0 Journal Article
%A H. Światak
%T Connections between symmetry or asymmetry of the equations $f_1(x_1+...+x_n) = ∑_{(i_1},...,i_n)} f(x_i_1)...f_n(x_i_n)$ and their solutions
%J Annales Polonici Mathematici
%D 1967
%P 257-269
%V 19
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-19-3-257-269/
%R 10.4064/ap-19-3-257-269
%G en
%F 10_4064_ap_19_3_257_269