TY  - JOUR
AU  - D. V. Gol'tsov
TI  - Approximability of HNN-Extensions with Central Associated Subgroups by a Root Class of Groups
JO  - Matematičeskie zametki
PY  - 2015
SP  - 665
EP  - 669
VL  - 97
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2015_97_5_a2/
LA  - ru
ID  - MZM_2015_97_5_a2
ER  -