%0 Journal Article
%A Dunwoody, M. J.
%A Pietrowski, A.
%T Presentations of the Trefoil Group
%J Canadian mathematical bulletin
%D 1973
%P 517-520
%V 16
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-084-8/
%R 10.4153/CMB-1973-084-8
%F 10_4153_CMB_1973_084_8