TY  - BOOK
AU  - Elsgole, Lev D
TI  - Calculus of variations
SN  - 0486457990
U1  - 517.97 
PY  - 2007///
CY  - New York
PB  - Dover
KW  - CALCULUS
KW  - CALCULUS-VARIATIONS
N1  - Includes index
ER  -