TY - BOOK AU - Rouche, N. AU - Habets, P AU - Laloy, M TI - Stability theory by Liapunov's direct method SN - 0387902589 U1 - 515.352 PY - 1977/// CY - New York PB - Springer-Verlag KW - Differential equations KW - Stability KW - Liapunov functions N1 - Bibliography : P. 370-385 ER -