%0 Journal Article %A Pastorová, Mária %T The absolute continuity of functions defined on the $\sigma$-ring generated by a ring %J Mathematica slovaca %D 1978 %P 227-233 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1978__28_3_a0/ %G en %F MASLO_1978__28_3_a0