TY - BOOK AU - Rouche, N. AU - Habets, P. AU - Laloy, M. TI - Stability Theory by Laipunov s Direct Method : Applied Mathematical Sciences 22 SN - 0387902589 PY - 1977/// CY - New York PB - Springer-Verlag KW - Differential Equations KW - Stability KW - Liapunov Functions ER -