TY  - BOOK
AU  - Sanchez David A
TI  - Ordinary differential equations and stability theory: an introduction
SN  - 0-486-63828-6
U1  - 515.35 
PY  - 1979///
CY  - New York
PB  - Dover
KW  - Differential equations
KW  - Ordinary differential equations
KW  - Stability theory
ER  -