TY  - BOOK
AU  - Gregory, John
TI  - QUADRATIC FORM THEORY AND DIFFERENTIAL EQUATIONS
U1  - 512.944 
PY  - 1980///
CY  - New York
PB  - Academic Press
KW  - Forms, Quadratic
KW  - Differential Equations, Partial
KW  - Calculus Of Variation
ER  -