%0 Journal Article %A A. Styszyński %T On minimax estimation of the parameter in the Pólya urn scheme %J Applicationes Mathematicae %D 1983 %P 225-229 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-18-2-225-229/ %R 10.4064/am-18-2-225-229 %G en %F 10_4064_am_18_2_225_229