TY - BOOK AU - Venkatesh,Y.V. TI - Energy methods in time-varying system stability and instability analyses SN - 0387084304 : U1 - 530.082 PY - 1977/// CY - Berlin PB - Springer-Verlag KW - System analysis KW - Feedback control systems KW - Stability KW - Differential equations KW - Integral equations N1 - Includes bibliographical references and index ER -