TY  - BOOK
AU  - Biswal, Purna Chandra
TI  - Partial differential equations
SN  - 978-81-203-5043-4
U1  - 515.353 
PY  - 2015///
PB  - PHI
KW  - MATHS
N1  - 30-Mar-2016; 4800
ER  -