TY  - BOOK
AU  - CRONIN Jane
TI  - Ordinary differential equations:  Introduction and qualitative theory   
SN  - 9780824723378
U1  - B331, P8 
PY  - 2008///
CY  - Boca Raton 
PB  - Chapman         
KW  - Economics
N1  - Bibliography: P369-376; Appendix     : P339-368
ER  -