%0 Journal Article
%A Jr., K. D. Magill
%A Misra, P. R.
%A Tewari, U. B.
%T Epimorphisms From S(X) onto S(Y)
%J Canadian journal of mathematics
%D 1986
%P 538-551
%V 38
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-026-3/
%R 10.4153/CJM-1986-026-3
%F 10_4153_CJM_1986_026_3