TY  - BOOK
AU  - Mandal, Nanigopal
AU  - Pal, B.
TI  - Differential equations: ordinary and partial
SN  -  978-81-942437-6-2
U1  - 515.35 
PY  - 2019///
CY  - Kolkata
PB  - Books and Allied
KW  - DIFFERENTIAL CALCULUS
ER  -