TY  - BOOK
AU  - Kimball, W. S
TI  - Calculus of variations
PY  - 1952///
CY  - London
PB  - Butterworths
KW  - Astronomy and Astrophysics Thesaurus
KW  - Calculus
KW  - Differential calculus
KW  - Integral calculus
ER  -