TY  - BOOK
AU  - Edelen, Dominic G. B.
TI  - Nonlocal variations and local invariance of fields
T2  - Modern analytic and computational methods in science and mathematics
U1  - 515.64 
PY  - 1969///
CY  - New York
PB  - American Elsevier
N1  - Includes index
ER  -