Perron-Frobenius Theory and the Zeros of Polynomials
Herbert S. Wilf · Proceedings of the American Mathematical Society · 1961
i96i] perron-frobenius theory and the zeros of polynomials 247 appear to converge, the projections of the Fourier Transforms of this divergent series onto |co] <ti are converging both in the L2 norm and the maximum norm.