TY - JOUR AU - Casolo, Carlo TI - Wielandt series and defects of subnormal subgroups in finite soluble groups JO - Rendiconti del Seminario Matematico della Università di Padova PY - 1992 SP - 93 EP - 104 VL - 87 PB - Seminario Matematico of the University of Padua UR - http://archive.numdam.org/item/RSMUP_1992__87__93_0/ LA - en ID - RSMUP_1992__87__93_0 ER -