TY  - BOOK
AU  - Rich, Barnett,
TI  - Schaum's principies and problems of elementary algebra
T2  - Schaum's outline series
AV  - QA157 R52
PY  - 1960///
CY  - New York
PB  - Schaum publishing co
KW  - Álgebra
KW  - Problemas, ejercicios, etc
ER  -