%0 Journal Article
%A Dunham, C.
%T Necessity of Alteration
%J Canadian mathematical bulletin
%D 1967
%P 743-744
%V 10
%N 5
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-078-8/
%R 10.4153/CMB-1967-078-8
%F 10_4153_CMB_1967_078_8