TY  - BOOK
AU  - Ewing,George M
TI  - Calculus of variations with applications 
SN  - 978048668569
U1  - 515.64 
PY  - 1985///
CY  - New York
PB  - Dover Publications
KW  - Calculus of variations
KW  - Derivatives
KW  - Prerequisistes
N1  - Includes index; Bibliography: p. 331-340
ER  -