1. Lauwerier, H. A., The Hilbert Problem for Generalized Functions. Archive for Rational Mechanics and Analysis 13, 157–166 (1963).
2. Titchmarsh, E. C., Introduction to the Theory of Fourier Integrals, 2nd Ed. London: Oxford Press 1948. Especially, Ch. 5.
3. Bremermann, H. J., & L. Durand, III, On Analytic Continuation, Multiplication, and Fourier Transformations of Schwartz Distributions. J. of Mathematical Physics 2, 240–258 (1961).
4. Schwartz, L., Théorie des Distributions, Tome I, II. Paris: Hermann 1957, 1959.
5. Gel'fand, I. M., & G. E. Shilov, Generalized Functions, Vol. I. New York: Academic Press 1964.