Traces of monomials in algebraic numbers
On the product of the conjugates outside the unit circle of an algebraic integer
Corrigendum to the paper "An extension of a result of C. J. Smyth to polynomials in several variables" Acta Arith. 50 (1988), 211-214
On page 211, line 9, and on page 213, line -6, the assumption should be added that F is not the product of generalized cyclotomic polynomials.
An extension of a result of C. J. Smyth to polynomials in several variables
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