TY  - BOOK
AU  - Lehnigk, Siegfried H.
TI  - Stability theorems for linear motions: : with an introduction to liapunov's direct method
U1  - 515.392 
PY  - 1966///
CY  - London
PB  - Prentice Hall
KW  - Mathematics
KW  - Stability Theorems
ER  -