TY  - BOOK
AU  - Larson,Roland E.
TI  - Elementary algebra
SN  - 0669187631
U1  - 512.9 
PY  - 1992///
CY  - USA
PB  - D. C. Heath and Company
KW  - Algebra
N1  - Incluye: indices p. A35-A42
ER  -