Kells, Lyman M. Analytic geometry and calculus./ Lyman M. Kells - 2d ed. - Englewood Cliffs, N.J., Prentice-Hall, c1963. - 628 p. illus. 24 cm. - . English LCCN: 63007063 Subjects--Topical Terms: Geometry, Analytic.Calculus. LC Class. No.: QA551 / .K33 1963 Dewey Class. No.: 516/KEA