TY  - BOOK
AU  - Giaquinta,Mariano
TI  - Calculus of variations I
SN  - 3-540-50625-X
AV  - MATH QA316.G5 
PY  - 2004///
CY  - Berlin
PB  - Springer
KW  - Calculus of variations
N1  - Include bibliography and references
ER  -