1. Some Questions in the Theory of Moments;Achiezer,1962
2. Rank-preserving extensions of band matrices;Ellis;Linear and Multilinear Algebra,1990
3. Über das Carathéodorysche Problem, Potenzreihen mit positivem reelen Teil betreffend;Fischer;Rend. Palermo,1911
4. Applications of the Theory of Matrices;Gantmacher,1959
5. Hankel matrices generated by Markov parameters, Hankel matrix extension, partial realization, and Padé approximation;Heinig,1986