TY - JOUR AU - Porter, Jack AU - Tikoo, Mohan TI - Separating H-sets by Open Sets JO - Canadian mathematical bulletin PY - 2010 SP - 360 EP - 366 VL - 53 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-039-x/ DO - 10.4153/CMB-2010-039-x ID - 10_4153_CMB_2010_039_x ER -