TY  - BOOK
AU  - Wirkus, Stephen A
TI  - Course in differential equations with boundary-value problems
U1  - 515.352 W745C(2) 
PY  - 2017///
CY  - Boca Raton
PB  - CRC Press
N1  - 4108 08/10/2021 HBD22/8859 11/10/2021 Main Budget
ER  -