Purcell, Edwin J. Calculus with analytic geometry / Edwin J. Purcell, Dale Varberg. - 4th ed. - Englewood Cliffs, NJ. : Prentice-Hall, 1984. - xiv, 864 p. ISBN: 0131118072 : KES 300 Subjects--Topical Terms: Calculus.Geometry, Analytic.