This chapter is based in part on
Abramowitz and Stegun (1964, Chapter 6) by P. J. Davis.
Notes:
The main references used in writing this chapter are
Andrews et al. (1999),
Carlson (1977b),
Erdélyi et al. (1953a),
Nielsen (1906a),
Olver (1997b),
Paris and Kaminski (2001),
Temme (1996b), and
Whittaker and Watson (1927).