TY  - BOOK
AU  - Abell, Martha L
TI  - Introductory differential equation with boundary value problems
U1  - 515.35 A35I(3) 
PY  - 2010///
CY  - Amsterdam
PB  - Elsevier
N1  - 60 15/01/2014   Mathematics (NBHM)
ER  -