%0 Journal Article %A P.C. Wong %A K.B. Wong %T The Cyclic Subgroup Separability of Certain HNN Extensions %J Bulletin of the Malaysian Mathematical Society %D 2006 %V 29 %N 2 %U http://geodesic.mathdoc.fr/item/BMMS_2006_29_2_a1/ %F BMMS_2006_29_2_a1