%0 Journal Article
%A Walter Benz
%T On mappings preserving a single Lorentz-Minkowski-distance in Hjelmslev's classical plane.
%J Aequationes mathematicae
%D 1985
%P 80-87
%V 28
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1985__28_137042/
%F AM2_1985__28_137042