TY  - BOOK
AU  - Efimov,N.V.
AU  - Shenitzer,A.ed
TI  - Quadratic forms and matrices,: an introductory approach
U1  - 512.87 
PY  - 1964///]
CY  - New York
PB  - Academic Press
KW  - Forms, Quadratic.2.Matrices
ER  -