TY  - BOOK
AU  - Brunt, Bruce Van
TI  - The calculus of variations: with 24 figures 
SN  - 987-1-4419-2316-5
AV  - QA 315 .V36 2004
PY  - 2004///
CY  - New York
PB  - Springer
N1  - Includes reference and index
ER  -