1. Al’per, S. Ya. and Kalinogorskaja, G.I. (1969) The Convergence of Lagrange interpolation polynomials in the Complex domain, Izv. Vyss. Ucebn. Zaved Math. 11, 13–23.
2. Chui, C.K. and Shen, X.C. (1989), The degree of approximation by Hermite-Fejer interpolating polynomials in a Jordan domain, Trans. Amer. Math. Coc. (to be submitted)
3. Curtiss, J.H. (1965) Convergence of complex Lagrange interpolation polynomials on the locus of the interpolation points, Duke Math. J. 32, 187–204.
4. Gaier, D. (1954) Uber Interpolation in regelmassig verteilten Punkten mit Nebenbedingunger, Math. Zeitschr. 61, 119–133.
5. Saff, E.B. and Walsh, J.L. (1973) On the convergence of rational function which interpolate in the roots of unity, Pacific J. Math. 45, 639–654.