TY  - BOOK
AU  - Pathak, H.K.
AU  - Chauhan, J.P.
TI  - Partial Differential Equations  
SN  - 9789388047142    
U1  - 515.353 22
PY  - 2019///
CY  - Meerut
PB  - Shree Shiksha Sahitya Prakashan
ER  -