TY  - BOOK
AU  - Guckenheimer John
AU  -  Holmes Philip
TI  - Non linear oscillations, dynamical systems and bifurcations of vector fields
T2  - Applied mathematical sciences; 42
U1  - B7:53, M3;1 
PY  - 1983///
CY  - New York 
PB  - Springer Verlag     
KW  - Dynamical system
ER  -