Leigh, J. R. Essentials of nonlinear control theory / J.R. Leigh. - London : P. Peregrinus on behalf of the Institution of Electrical Engineers, c1983. - xii, 90 p. : ill. ; 23 cm. - IEE topics in control series ; 2 . Includes index. Includes bibliographical references. ISBN: 0906048966 (pbk.) Subjects--Topical Terms: Nonlinear control theory. Subjects--Index Terms: Nonlinear control systems