TY - JOUR AU - QIAO, HUSHENG AU - WANG, LIMIN TI - ON FLATNESS COVERS OF CYCLIC ACTS OVER MONOIDS JO - Glasgow mathematical journal PY - 2012 SP - 163 EP - 167 VL - 54 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000504/ DO - 10.1017/S0017089511000504 ID - 10_1017_S0017089511000504 ER -