TY  - BOOK
AU  - Lang,Serge
TI  - Algebraic structures
T2  - Addison-Wesley series in mathematics
U1  - 512.02 22
PY  - 1967///
CY  - Reading, Mass, London
PB  - Addison-Wesley
KW  - Algebra, Abstract
N1  - Includes index
ER  -