%0 Journal Article
%A Charles H. Goldberg
%T An Exact Sequence of Braid Groups.
%J Mathematica Scandinavica
%D 1973
%P 69-82
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1973__33_166313/
%F MS2_1973__33_166313