TY - JOUR AU - A. S. Kondrat'ev AU - I. D. Suprunenko AU - I. V. Khramtsov TI - On finite 4-primary groups having a disconnected Gruenberg-Kegel graph and a composition factor isomorphic to $L_3(17)$ or $Sp_4(4)$ JO - Trudy Instituta matematiki i mehaniki PY - 2022 SP - 139 EP - 155 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2022_28_1_a8/ LA - ru ID - TIMM_2022_28_1_a8 ER -