TY  - BOOK
AU  - GUPTA, P.P.
AU  - MALIK, G.S.
AU  - YADAV, R.P.S.
TI  - MATHEMATICAL PHYSICS
U1  - 530.15 
PY  - 1984///
CY  - Meerut
PB  - Kedar Nath Ram Nath, Meerut 
ER  -