Targonskij, A. L. Solution of extremal problems of mixed type for nonuniform and uniform ray systems of points. (Russian. English summary) Zbl 1240.30112 Zb. Pr. Inst. Mat. NAN Ukr. 7, No. 2, 304-312 (2010). Summary: Extremal problems of mixed type are considered in which some poles are fixed and others are free. MSC: 30C75 Extremal problems for conformal and quasiconformal mappings, other methods Keywords:extremal problem; nonuniform ray system of points PDFBibTeX XMLCite \textit{A. L. Targonskij}, Zb. Pr. Inst. Mat. NAN Ukr. 7, No. 2, 304--312 (2010; Zbl 1240.30112)