Differential and integral calculus. Translated from the German by Melvin Hausner and Martin Davis. Landau, Edmund, 1877-1938. Calculus. QA303 .L254 1960 517 19 LAD Translation of Einführung in die Differentialrechnung und Integralrechnung. New York, Chelsea Pub. Co. [1960] [1960] 1960 Text 367 p. eng