Hildebrandt, Theophil Henry, 1888- Introduction to the theory of integration. - New York : Academic Press, 1963. - 385 p. ; 24 cm. - Pure and applied mathematics (Academic Press) ; no. 13 . - Pure and applied mathematics (Academic Press) ; no. 13 . Includes bibliographical references. Subjects--Topical Terms: Calculus, Integral.