TY - JOUR AU - Ping Zhao TI - Locally Maximal Regular Subsemibands of $SOP_n$ JO - Bulletin of the Malaysian Mathematical Society PY - 2014 VL - 37 IS - 3 UR - http://geodesic.mathdoc.fr/item/BMMS_2014_37_3_a22/ ID - BMMS_2014_37_3_a22 ER -