TY  - BOOK
AU  - Magnus, Wilhelm. Karrass, , Donald.
TI  - Combinatorial group theory: presentation of groups in terms of generators and relations /by Wilhelm Magnus, Abraham Karrass, Donald S
T2  - Pure and Applied Mathematics
U1  - 512.22 
PY  - 1966///
CY  - New York
PB  - Interscience Publish
ER  -