1. M. Abramowitz and I. A. Stegun,
Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables,
US Department of Commerce, Washington, 1972.
2. G. E. Andrews, R. Askey and R. Roy,
Special Functions,
Encyclopedia Math. Appl. 71,
Cambridge University, Cambridge, 2001.
3. C. Bennett and R. Sharpley,
Interpolation of Operators,
Pure Appl. Math. 129,
Academic Press, Boston, 1988.
4. A. L. Buhgeĭm and V. B. Kardakov,
Solution of an inverse problem for an elastic wave equation by the method of spherical means,
Sibirsk. Mat. Ž. 19 (1978), no. 4, 749–758, 953.
5. M. Christ,
Extremizers of a Radon transform inequality,
Advances in Analysis: The Legacy of Elias M. Stein,
Princeton Math. Ser. 50,
Princeton University, Princeton (2014), 84–107.