Uniform Approximation of sgn(x) by Rational Functions with Prescribed Poles von Peherstorfer, F., Yuditskii, P.

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On the Berg-Chen-Ismail Theorem and the Nevanlinna-Pick Problem von Golinskii, L., Peherstorfer, F., Yuditskii, P.

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On a Class of Verblunsky Parameters that Corresponds to Guseinov's Class of Jacobi Parameters von Golinskii, L., Kheifets, A., Peherstorfer, F., Yuditskii, P.

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