%0 Journal Article
%A J.A. Lester
%T A Characterization of Motions as Bijections Preserving Inradius or Circumradius One.
%J Monatshefte für Mathematik
%D 1986
%P 151-158
%V 101
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MOMA_1986__101_178270/
%F MOMA_1986__101_178270