TY  - BOOK
AU  - Burton T A
TI  - Stability and periodic solutions of ordinary and f
T2  - Mathematics in Science and Engineering. 178
U1  - B33, M5 
PY  - 1985///
CY  - Orlando
PB  - Academic Press         
KW  - Equations
N1  - Bibliography:  P 325-331
ER  -