Let
and
be two consecutive critical indices of
and let
be
-normal. If the polynomials
are defined by
(1)
| |||
(2)
|
for ,
1, ... and
,
...,
,
then, under the hypothesis below, there exists an infinite set
of positive integers such that
(3)
|
where
(4)
|
By hypothesis, if ,
the polynomials
are identical to the Hadamard polynomials
, and if
, the algorithm for constructing the
is applied to the
scheme suitably bounded by columns
and
(Henrici 1988, pp. 642-643).