TY - JOUR AU - Wong Peng Choon AU - Gan Hui Woan TI - Cyclic Subgroup Separability of Certain HNN Extensions JO - Bulletin of the Malaysian Mathematical Society PY - 1999 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a6/ ID - BMMS_1999_22_2_a6 ER -