Stability theory by Liapunov's direct method/
N. Rouche, P. Habets, M. LaLoy.
- New York: Springer-Verlag, c1977.
- xii, 396 p.: ill.; 24 cm.
- Applied mathematical sciences ; 22. .
- Applied mathematical sciences (Springer-Verlag New York Inc.); v. 22. .