TY - JOUR AU - Ikeda, Toru TI - Essential Surfaces in Graph Link Exteriors JO - Canadian mathematical bulletin PY - 2009 SP - 257 EP - 266 VL - 52 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2009-028-9/ DO - 10.4153/CMB-2009-028-9 ID - 10_4153_CMB_2009_028_9 ER -