1. Extremal polynomials with preassigned zeros and rational approximants;Ambroladze;Constr. Approx.,1998
2. From Padé to Padé-type approximants: Exact rate of convergence;Rodrı́guez,1995
3. Multipoint Padé-type approximants: Exact rate of convergence;Rodrı́guez;Constr. Approx.,1998
4. Equilibrium measure and the distribution of zeros of extremal polynomials;Gonchar;Mat. Sb.,1984
5. Foundations of Modern Potential Theory;Landkof,1972