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Existence of compact sets with minimum capacity in problems of rational approximation of multivalued analytic functions. (English. Russian original) Zbl 1290.31002
Russ. Math. Surv. 69, No. 1, 159-161 (2014); translation from Usp. Mat. Nauk 69, No. 1, 169-170 (2014).

MSC:
31A15 Potentials and capacity, harmonic measure, extremal length and related notions in two dimensions
41A21 Padé approximation
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