%0 Journal Article
%A S. Topa
%T On a generalization of the functional equation for the harmonic ratio of four points on a projective line over an arbitrary commutative field
%J Annales Polonici Mathematici
%D 1970
%P 65-72
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-23-1-65-72/
%R 10.4064/ap-23-1-65-72
%G en
%F 10_4064_ap_23_1_65_72