TY  - BOOK
AU  - Caratheodory, Constantin
AU  - Dean, Robert B.
TI  - Calculus of variations and partial differential equations of the first order
U1  - 515.64 
PY  - 1982///
CY  - New York
PB  - Chelsea
N1  - "Translated from the German by Robert B. Dean"
ER  -