%0 Journal Article
%A Walter Benz
%T The n-point-invariants of the projective line and cross-ratios of n-tuples
%J Annales Polonici Mathematici
%D 1972
%P 53-60
%V 26
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-26-1-53-60/
%R 10.4064/ap-26-1-53-60
%G en
%F 10_4064_ap_26_1_53_60