TY  - BOOK
AU  - Johnston,C.L.
AU  - Willis,Alden T.
AU  - Lazaris,Jeanne
TI  - Essential algebra 
T2  - The Johnston-Willis series
SN  - 0534944949
PY  - 1994///
CY  - Boston
PB  - PWS
KW  -  
KW  - polynomials
KW  - Quadratic equetion
KW  - Algebra
N1  - Includes index
ER  -