TY  - BOOK
AU  - Bell,A.W.
TI  - Algebraic structures: some aspects of group structure 
PY  - 1966///
CY  - London
PB  - George Allen and Unwin
KW  - Algebra, Abstract
KW  - Group, Theory of
N1  - With answers to exercises; Bibliography : p. 141-142
ER  -