LaSalle, Joseph P. Stability by Liapunov's direct method, with applications [by] Joseph La Salle and Solomon Lefschetz. - New York, Academic Press, 1961. - Mathematics in science and engineering ; v. 4 . Includes bibliographical references. LCCN: 61018296 /L/r863 Subjects--Topical Terms: Stability. LC Class. No.: QA871 / .L3 Dewey Class. No.: 531.01