%0 Journal Article
%A Spoar, G.
%A Lane, N. D.
%T On Singular Points of Normal Arcs of Cyclic Order Four
%J Canadian mathematical bulletin
%D 1974
%P 391-396
%V 17
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-072-2/
%R 10.4153/CMB-1974-072-2
%F 10_4153_CMB_1974_072_2