TY - JOUR AU - Smith, Howard TI - On torsion-free hypercentral groups with all subgroups subnormal JO - Glasgow mathematical journal PY - 1989 SP - 193 EP - 194 VL - 31 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007734/ DO - 10.1017/S0017089500007734 ID - 10_1017_S0017089500007734 ER -