1. C. Cercignani, J. Math. Anal. Appl. 10, 93 (1965).
2. V. N. Faddeyeva and N. M. Terent’ev, Tables of the Values of the function Pergamon Press, London and New York (1961);
3. B. D. Fried and S. D. Conte, The Plasma Dispersion Function: The Hilbert Transform of the Gaussian, Academic Press, New York (1961).
4. N. I. Muskhelishvili, Singular Integral Equations, Noordhoff, Groningen (1953).
5. S. Albertoni, C. Cercignani, and L. Gotusso, Phys. Fluids 6, 993 (1963).