La Salle, J. P., & Lefschetz, S. (1961). Stability by Liapunov's direct method. Academic Press.
Chicago Style (17th ed.) CitationLa Salle, Joseph P., and Solomon Lefschetz. Stability by Liapunov's Direct Method. New York: Academic Press, 1961.
MLA (9th ed.) CitationLa Salle, Joseph P., and Solomon Lefschetz. Stability by Liapunov's Direct Method. Academic Press, 1961.
Warning: These citations may not always be 100% accurate.