TY  - BOOK
AU  - Courant,R .
AU  - Hilbert,D  .
TI  - Methods of methematical physics / 
SN  - 047017952X
U1  - 530.15 
PY  - 1953///
CY  - New York : 
PB  - John Wiley and Sons , 
KW  - METHEMATICAL PHYSICS
N1  - Include index
ER  -