TY  - BOOK
AU  - Chrystal, G.
TI  - Algebra Pt. 2: An elementary text-book 
U1  - 512 
PY  - 1952///
CY  - New York
PB  - Chelsea Publishing  Co.
KW  - Mathematics
KW  - Algebra
KW  - Permutation
KW  - Number
ER  -