TY  - BOOK
AU  - MALIK GUPTA
AU  - Mittal
TI  - DIFFERENTIAL EQUATIONS : WITH PARTIAL DIFFERENTIAL EQUATIONS AND SPECIAL FUNCTION
SN  - 81 7556 143 2
U1  - 515.353 
PY  - 1999///
CY  - Meerut
PB  - Pragati Prakashan, Meerut 
ER  -