TY - JOUR AU - Brown, Kenneth A. TI - Modules over polycyclic groups have many irreducible images JO - Glasgow mathematical journal PY - 1981 SP - 141 EP - 150 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500004584/ DO - 10.1017/S0017089500004584 ID - 10_1017_S0017089500004584 ER -