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2. O.S.Berlyand, R.I.Gavrilova, andA.P.Prudnikov Tables of Integral Error Functions and Hermite Polynomials tradotto da P. Basu (vol. 19 della collezione Mathematical Tables Series) Pergamon Press Oxford, London, New York, Paris, 1962; p. 163
3. N.Frenkiel -Symposium on Fundamental Problems in Turbulence and their Relations to Geophysics (vol. 67, n 8, Giugno 1962 delJournal of Geophysical Research); p.234, s. i. p.