TY  - BOOK
AU  - Stephenson, Geoffrey
TI  - MATRICES, SETS, AND GROUPS
U1  - 512.8 
PY  - 1965///
CY  - New York
PB  - American Elsevier Pub. Co.
KW  - Matrices
KW  - Aggregates
KW  - Groups, Theory Of
N1  - Bibliography : P. 155-156
ER  -