Let and be two consecutive critical indices of and let be -normal. If the polynomials are defined by
(1)
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(2)
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for , 1, ... and , ..., , then, under the hypothesis below, there exists an infinite set of positive integers such that
(3)
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where
(4)
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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).