00973nam a2200337 4500 DLU110121608 ##20110520 ##840621s1961 nyua b 000 0 eng 61018296 (DLC) 61018296 DLC/ICU ICU DLC 515.35 SA-J Salle, Joseph La. Stability by Liapunov's direct method : with applications / [by] Joseph La Salle and Solomon Lefschetz. New York : Academic Press, 1961. 134 p. : illus. ; 24 cm. Includes bibliography. Stability. Lefschetz, Solomon, 1884-1972, joint author. Mathematics in science and engineering ; v. 4. 01/2011TN GT 0 KTN True Đào Thị Thu Huyền G A SH Thư viện Trường Đại học Đà Lạt