1. A. Erdelyi, et. al., Higher Transcendental Functions, v. 2, McGraw-Hill, New York, 1953, p. 188-189.
2. A. Erdelyi, et. al., Tables of Integral Transforms, v. 1, McGraw-Hill, New York, 1954, p. 174-175.
3. G. N. Watson, Theory of Bessel Functions, University Press, Cambridge, 1948, p. 146.
4. G. N. Watson, “A note on the polynomials of Hermite and Laguerre,” London Math. Soc., Jn., v. 13, 1938, p. 29.