TY  - SER
AU  - Courant, Richard
AU  - Hilbert, David
TI  - Methods of mathematical physics / by R. Courant and D. Hilbert
SN  - 047017856
AV  - QA 401 COU 1962 
PY  - 1962///
CY  - New York
PB  -  Interscience Publishers, 
KW  - Mathematical physics
N1  - Includes bibliography
ER  -