TY - JOUR AU - L. A. Shemetkov TI - The existence of $\Pi$-complements to normal subgroups of finite groups JO - Doklady Akademii Nauk PY - 1970 SP - 50 EP - 52 VL - 195 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_195_1_a11/ LA - ru ID - DAN_1970_195_1_a11 ER -