%0 Journal Article %A S. Trybuła %T On some loss functions %J Colloquium Mathematicum %D 1959 %P 297-305 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-7-2-297-305/ %R 10.4064/cm-7-2-297-305 %G en %F 10_4064_cm_7_2_297_305