TY  - GEN
AU  - Polking ,John
AU  - Boggess ,Albert
AU  - Arnold ,David
TI  - Differential equations 
SN  - 9789353432270
U1  - 515.352 
PY  - 2019///
CY  - Uttar Pradesh
PB  - Pearson india educational services pvt ltd
KW  - Differential equations
KW  - Engineering mathematics
KW  - Wave equation--Numerical solutions
N1  - Include bibliography and index
ER  -