TY  - BOOK
AU  - Simmons, George f.
TI  - Differential equations : theory, technique, & practice: Differential equations : theory, technique, & practice, Chennai : Mcgraw hill education pvt ltd., 2017
U1  - 517.8 
PY  - 2017///
CY  - Chennai
PB  - Mcgraw hill education pvt ltd.
ER  -