Titchmarsh, E.C. . Introduction to the Theory of Fourier Integrals / Textual Documents E.C.Titchmarsh. - 2nd ed. / - Oxford : At the Clarendon Press , 1948. - x,391p. : ill ; 23cm . Index Subjects--Index Terms: Integrals G-Mathematics Dewey Class. No.: 519.3 / T 53 In