TY - JOUR AU - A. V. Rozhkov TI - AT-groups that are not AT-subgroups: Transition from $AT_{\omega}$-groups to $AT_{\Omega}$-groups JO - Trudy Instituta matematiki i mehaniki PY - 2022 SP - 218 EP - 231 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2022_28_1_a14/ LA - ru ID - TIMM_2022_28_1_a14 ER -