Salas, Saturnino L. Calculus : one and several variables with analytic geometry / S. L. Salas, Einar Hille - 4th ed. - New York : Wiley, 1982 - xvi, 1038, A-93, I-5 p. : ill.(some col.) ports ; 27 cm. ISBN: 0471046604 Subjects--Topical Terms: Calculus