TY  - BOOK
AU  - Perko, Lawrence.
TI  - Differential equations and dynamical systems
SN  - 3540974431
U1  - 515.355 
PY  - 1991///
CY  - New York
PB  - Springer-Verlag
KW  - Differential equations, Nonlinear
KW  - Differentiable dynamical systems
N1  - Includes bibliographical references (p. [395]-396) and index
UR  - http://www.loc.gov/catdir/enhancements/fy1006/91150070-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy1006/91150070-t.html
ER  -