TY  - BOOK
AU  - Guckenheimer John
AU  - Holmes Philip
TI  - Nonlinear oscillations,dynamical systems, and bifurcations of vector feilds
U1  - 515.355 
PY  - 1983///
CY  - N Y
PB  - Springer Verlag
KW  - Bifurcation theory
KW  - Dynamical systems
KW  - Nonlinear differential equations
ER  -