TY  - BOOK
AU  - Raisinghania, M D
TI  - Ordinary and partial differential equations
U1  - 515.353 R136O(20) 
PY  - 2021///
CY  - New Delhi
PB  - S Chand
N1  - 4433 20/01/2022 IF22/1078 03/02/2022 Main Budget
ER  -