TY  - BOOK
AU  - Ledermann, Walter , 1911-
TI  - Introduction to group theory
SN  - 0050026526
AV  - QA171.L47 1973 
PB  - Oliver and Boyd
KW  - Group theory
KW  - QA
N1  - Includes bibliographical references (p. 173) and index
ER  -