%0 Journal Article %A Grzegorek, E. %T Hereditary measurable sets and universal measure %J Acta Universitatis Carolinae. Mathematica et Physica %D 1992 %P 45-47 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUCMP_1992__33_2_a7/ %G en %F AUCMP_1992__33_2_a7