TY  - BOOK
AU  - Hastings, Stuart P.,
TI  - Classical methods in ordinary differential equations: with applications to boundary value problems 
SN  - 9780821846940 (hbk. : alk. paper)
U1  - 515.352 
PY  - 2013///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Boundary value problems
ER  -