Flett, T. M. Differential analysis: differentiation, differential equations, and differential inequalities/ T. M. Flett. - Cambridge, UK New York: Cambridge University Press, 1980. - vii, 359 p.: ill.; 24 cm. Includes indexes. Bibliography: p. [339]-350. ISBN: 0521224209 : $25.00 LCCN: 78067303 //r94 Subjects--Topical Terms: Differential calculus.Differential equations.Differential inequalities. Dewey Class. No.: 515.3 / F615d