TY  - BOOK
AU  - Kelley, Walter G.
AU  - Peterson, Allan C.
TI  - The theory of differential equations: classical and qualitative
SN  - 9781441957825
U1  - 515.35 
PY  - 2010///
CY  - New York
PB  - Springer
KW  - Differential equations
KW  - Differentiable dynamical systems
KW  - Mathematics
N1  - First-Order Differential Equations --
Linear Systems --
Autonomous Systems --
Perturbation Methods --
The Self-Adjoint Second-Order Differential Equation --
Linear Differential Equations of Order n --
BVPs for Nonlinear Second-Order DEs --
Existence and Uniqueness Theorems
ER  -