%0 Journal Article %A S. Trybuła %T Some problems of prediction of the difference of random variables %J Applicationes Mathematicae %D 1991 %P 153-159 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-21-2-153-159/ %R 10.4064/am-21-2-153-159 %G en %F 10_4064_am_21_2_153_159