TY  - BOOK
AU  - Jeffreys,Harold
TI  - Methods of mathematical physics
SN  - 9780521664028
U1  - 530.15 J37M3 
PY  - 2001///
CY  - Cambridge 
PB  - Cambridge University
KW  - Tensors
KW  - Matrices
KW  - Calculus of variations
ER  -