TY  - BOOK
AU  - Dass, H K
TI  - Mathematical physics
U1  - 530.15 D262M(8) 
PY  - 2021///
CY  - New Delhi
PB  - S Chand
N1  - 4190 18/12/2021 IF22/1055 28/12/2021 Main Budget
ER  -