TY  - BOOK
AU  - Stillwell,John
TI  - Elements of algebra: Geometry, numbers, equations 
T2  - Undergraduate texts in mathematics
SN  - 0387942904
AV  - QA155 S75
PY  - 1994///
CY  - New York
PB  - Springer Verlag
KW  - Álgebra
ER  -