%0 Journal Article
%A Przytycki, Józef H.
%A Rosicki, Witold
%T The Topological Interpretation of the Core Group of a Surface in S 4
%J Canadian mathematical bulletin
%D 2002
%P 131-137
%V 45
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-016-0/
%R 10.4153/CMB-2002-016-0
%F 10_4153_CMB_2002_016_0