%0 Journal Article
%A Henry Helson
%T On the symmetric difference of sets as a group operation
%J Colloquium Mathematicum
%D 1947
%P 203-205
%V 1
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-1-3-203-205/
%R 10.4064/cm-1-3-203-205
%G en
%F 10_4064_cm_1_3_203_205