1. Theory of Approximation;Achieser,1956
2. Some Questions in the Theory of Moments;Achieser,1962
3. Sur une propriété des polynomes de Tchebycheff;Bernstein;Dokl. Akad. Nauk SSSR Ser. A,1927
4. Concerning interpolation for a large number of given observations;Chebyshev,1946
5. Constrained best approximation in Hilbert space, II;Chui;J. Approx. Theory,1992