TY  - BOOK
AU  - Giaquinta Mariano
AU  - Hildebrandt Stefan
TI  - Calculus of variations I: the Lagrangian formalism
U1  - 515.64 
PY  - 1996///
CY  - Berlin
PB  - Springer Verlag
KW  - Calcucus
KW  - Variations
ER  -