TY  - DATA
AU  - A.Yu. Ol'shanskii
TI  - Geometry of Defining Relations in Groups
SN  - 9789401136181
PY  - 1991///
PB  - Springer Netherlands
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-94-011-3618-1
ER  -