%0 Journal Article %A Martin R. Bridson %A Daniel Groves %A Jonathan A. Hillman %A Gaven J. Martin %T Cofinitely Hopfian groups, open mappings and knot complements %J Groups, geometry, and dynamics %D 2010 %P 693-707 %V 4 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/101/ %R 10.4171/ggd/101 %F 10_4171_ggd_101