TY - JOUR AU - E. V. Sokolov AU - E. A. Tumanova TI - Root Class Residuality of HNN-Extensions with Central Cyclic Associated Subgroups JO - Matematičeskie zametki PY - 2017 SP - 597 EP - 612 VL - 102 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2017_102_4_a11/ LA - ru ID - MZM_2017_102_4_a11 ER -