TY  - BOOK
AU  - Amaranath, T
TI  - Elementary course in partial differential equations 
SN  - 9788184877816
U1  - 515.353 Am137e3 
PY  - 2023///
CY  - New Delhi 
PB  - Narosa Publishing House Pvt. Ltd. 
KW  - Partial differential equations
ER  -