%0 Journal Article %A Ikeda, Toru %T Essential Surfaces in Graph Link Exteriors %J Canadian mathematical bulletin %D 2009 %P 257-266 %V 52 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2009-028-9/ %R 10.4153/CMB-2009-028-9 %F 10_4153_CMB_2009_028_9