%0 Journal Article %A J. Bartoszewicz %T Estimation of P{Y %J Applicationes Mathematicae %D 1977 %P 1-8 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-16-1-1-8/ %R 10.4064/am-16-1-1-8 %G en %F 10_4064_am_16_1_1_8