TY  - BOOK
AU  - Chrystal,G.
TI  - Algebra : an elementary text-book for the higher classes of secondary schools and for colleges 
U1  - 512 CHR.1 
PY  - 1959///.
CY  - New York : 
PB  - Chelsea Publishing Company, 
KW  - Algebra
N1  - Includes index.
ER  -