TY  - BOOK
AU  - O'Malley, Robert E
TI  - Thinking about ordinary differential equations
SN  - 9780521557429
SN  - 96014825
U1  - 515.352 OMA 
PY  - 1997///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Differential equations
N1  - Includes bibliographical references (p. 243) and index
ER  -