# §6.13 Zeros

The function has one real zero , given by

6.13.1

and each have an infinite number of positive real zeros, which are denoted by , , respectively, arranged in ascending order of absolute value for . Values of and to 30D are given by MacLeod (1996b).

As ,

6.13.2

where for , and for . For these results, together with the next three terms in (6.13.2), see MacLeod (2002a). See also Riekstynš (1991, pp. 176–177).