TY  - BOOK
AU  - Rouche N
AU  -  Habets P
AU  -  Laloy M
TI  - Stability theory by liapunov's direct method
U1  - B7:3, L7 
PY  - 1977///
CY  - New York    
PB  -  Springer Verlag       
KW  - Dynamics
ER  -