TY  - BOOK
AU  - Lovelock David
AU  - Rund Hanno
TI  - Tensors,differential forms, and variational principles
U1  - 515.63 
PY  - 1975///
CY  - N Y
PB  - John Wiley
KW  - Calculus
KW  - Differential equations
KW  - Tensor
ER  -