TY  - BOOK
AU  - Courant,Richard
AU  - Hilbart,David
TI  - Methods for Mathematical Physics Vol. 2
SN  - 9788126515776
U1  - 530.15 
PY  - 1989///, 2010
CY  - New Delhi
PB  - Wiley- VCH Verlag Gmbh
ER  -