TY - JOUR AU - Frankfurt, Richard TI - Quasicyclic Subnormal Semigroups JO - Canadian journal of mathematics PY - 1977 SP - 1230 EP - 1246 VL - 29 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-123-3/ DO - 10.4153/CJM-1977-123-3 ID - 10_4153_CJM_1977_123_3 ER -