TY  - BOOK
AU  - Courant,Richard
AU  - Hilbert,David
TI  - Methods of mathematical physics
AV  - QA401 C724 1962
PY  - 1962///-9999
CY  - New York
PB  - Interscience, J. Wiley
KW  - Física matemática
N1  - "wiley classic edition published in 1989"
ER  -