TY  - BOOK
AU  - Verhulst Ferdinand
TI  - Nonlinear differential equations and dynamical systems
SN  - 3-540-60934-2
U1  - 515.355 
PY  - 1996///
CY  - Berlin
PB  - Springer-Verlag
KW  - Differentiable dynamical systems
KW  - Nonlinear differential equations
ER  -