TY  - BOOK
AU  - Ong,Boon Hua
TI  - Terbitan separa: Modul 
SN  - 9679911543
PY  - 1987///
CY  - Pulau Pinang
PB  - Penerbit Universiti Sains Malaysia
KW  - Partial differential operators
KW  - Differential equations
N1  - Edisi awal
ER  -