TY  - BOOK
AU  - LaSalle,Joseph P
AU  - Lefschetz,Solomon
TI  - Stability by Liapunov's direct method, with applications
T2  - Mathematics in science and engineering, v. 4
U1  - 531.01 22
PY  - 1961///
CY  - London
PB  - Academic Press
KW  - Stability
N1  - Index; Includes bibliography
ER  -