TY  - BOOK
AU  - Ledermann,Walter
TI  - Introduction to group theory
SN  - 0050026526
AV  - QA171 .L47
U1  - 512/.22 
PY  - 1973///
CY  - Edinburgh
PB  - Oliver and Boyd
KW  - Group theory
N1  - Includes index; Bibliography: p. 173
ER  -