TY  - BOOK
AU  - Caratheodory C
AU  - Dean R B
TI  - Calculus of variations and partial differential equations of the first order: Calculus of variations
U1  - 515.64 
PY  - 1965///
CY  - London
PB  - Holden Day
KW  - Calculus
KW  - Partial differential equations
ER  -