TY  - DATA
AU  - Ash, Robert B.
TI  - A primer of abstract mathematics 
T2  - Classroom Resource Materials, 
SN  - 9781470457099 (online)
PY  - 1998///
CY  - Washington, DC
PB  - Mathematical Association of America
KW  - Algebra, Abstract
N1  - Includes index
UR  - https://doi.org/10.1090/clrm/007
ER  -