%0 Journal Article
%A K. Urbanik
%T Remarks on symmetrical operations
%J Colloquium Mathematicum
%D 1966
%P 1-9
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-15-1-1-9/
%R 10.4064/cm-15-1-1-9
%G en
%F 10_4064_cm_15_1_1_9