TY  - BOOK
AU  - Rosenfeld,Azriel
TI  - An introduction to algebraic structures
T2  - Holden-Day series in mathematics
U1  - 512.02 23
PY  - 1968///
CY  - San Francisco
PB  - Holden-Day
KW  - Algebra, Abstract
N1  - Includes bibliography and index
ER  -