TY - JOUR AU - K.-H. Dovermann AU - M. Masuda TI - Rigid versus non-rigid cyclic actions. JO - Commentarii mathematici Helvetici PY - 1989 SP - 269 EP - 287 VL - 64 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140154/ ID - CMH_1989__64_1_140154 ER -