Lasalle, J., & Lefschetz, S. (1961). Stability by Liapunov's direct method with applications.
Chicago Edition CitationLasalle, Joseph, and Solomon Lefschetz. Stability by Liapunov's Direct Method with Applications. 1961.
MLA Edition CitationLasalle, Joseph, and Solomon Lefschetz. Stability by Liapunov's Direct Method with Applications. 1961.
Warning: These citations may not always be 100% accurate.