%0 Journal Article %A Dariusz Dudzik %A Marcin SkrzyƄski %T An outer measure on a commutative ring %J Algebra and discrete mathematics %D 2016 %P 51-58 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2016_21_1_a4/ %G en %F ADM_2016_21_1_a4