TY  - BOOK
AU  - Bromwich, Thomas John I'Anson,
TI  - Quadratic forms and their classification by means of invariant-facto rs,
U1  - 512.813 BRO 
PY  - 1906///
CY  - Cambridge, New York
PB  - University Press, Hafner, r epr. [1960].
KW  - Forms, Quadratic
N1  - "References": p. 95-97
ER  -