Hirsch, Morris W. Differential equations, dynamical systems, and linear algebra / Morris W. Hirsch and Stephen Smale - New York : Academic Press, 1974 - xi, 358 p. ; 25 cm. - Pure and applied mathematics . With answers to selected problems References : p. 341-342 ISBN: 0123495504 Subjects--Topical Terms: Algebras, LinearDifferential equations