Salas, S. L. Calculus : one and several variables with analytic geometry / S. L. Salas, Einar Hille. - 3rd ed. - New York : John Wiley & Sons, 1978. - xiv, 888, 52, 8 p. ISBN: 0471049158 Subjects--Topical Terms: Cálculo.Cálculo de variáveis.Geometria analítica. Dewey Class. No.: 515