TY  - BOOK
AU  - Hafstrom,John Edward
TI  - Basic concepts in modern mathematics
T2  - Addison-Wesley series in mathematics
AV  - QA154 .H15
U1  - 512 
PY  - 1961///]
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Algebra
KW  - LEMB
ER  -