TY  - JOUR
AU  - Ant. A. Klyachko
AU  - A. M. Mazhuga
TI  - Verbally closed virtually free subgroups
JO  - Sbornik. Mathematics
PY  - 2018
SP  - 850
EP  - 856
VL  - 209
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2018_209_6_a4/
LA  - en
ID  - SM_2018_209_6_a4
ER  -