TY  - BOOK
AU  - Verhulst,Ferdinand
TI  - Nonlinear differential equations and dynamical systems
SN  - 3540506284
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
KW  - Differential equations, Nonlinear
KW  - Differentiable dynamical systems
N1  - p. 271-274
ER  -