TY - JOUR AU - O. A. Shpyrko TI - The nilpotent $\pi$-length of finite $\pi$-solvable groups with restrictions on subgroups JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2008 SP - 21 EP - 25 IS - 1 UR - http://geodesic.mathdoc.fr/item/VMUMM_2008_1_a4/ LA - ru ID - VMUMM_2008_1_a4 ER -