TY  - BOOK
TI  - Handbook of differential equations:  Ordinary differencial equations. Vol 4. Ed by A Canada and others   
SN  - 9780444530318
U1  - X:(B334)g, P4.1-.4/RR 
PY  - 2004///
CY  - Amsterdam
PB  - Elsevier          
KW  - Economics
ER  -