The joining factors in the above formulas are given by
where , are as in §28.4(i), and
, are as in §28.5(i). Furthermore,
Here is given by (28.14.1) with
, and is given by (28.24.1) with
, , and chosen so that
, where the maximum is
taken over all integers .
See also (28.20.13) and (28.20.14).