%0 Journal Article
%A Jurga, Rastislav
%T The cross-ratio in Hjelmslev planes
%J Mathematica Bohemica
%D 1997
%P 243-247
%V 122
%N 3
%I mathdoc
%U https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.126149/
%R 10.21136/MB.1997.126149
%G en
%F 10_21136_MB_1997_126149