TY - JOUR AU - E.C. DADE TI - Rings in which no Fixed Power of Ideal Classes Becomes Invertible. Note to the Preceeding Paper of Dade, Taussky and Zassenhaus. JO - Mathematische Annalen PY - 1962 SP - 65 EP - 66 VL - 148 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1962__148_160984/ ID - MAN_1962__148_160984 ER -