TY - JOUR AU - Wehrfritz, B.A.F. TI - On hypercentre-by-polycyclic-by-nilpotent groups JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2019 SP - 155 EP - 164 VL - 141 PB - European Mathematical Society Publishing House PP - Zuerich, Switzerland UR - http://www.numdam.org/articles/10.4171/RSMUP/19/ DO - 10.4171/RSMUP/19 ID - RSMUP_2019__141__155_0 ER -