%0 Journal Article %A N. S. Gusel'nikov %T Triangular set functions and the Nikodym, Brooks-Jewett, and Vitali-Hahn-Saks theorems on convergent sequences of measures %J Sbornik. Mathematics %D 2011 %P 807-827 %V 202 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2011_202_6_a1/ %G en %F SM_2011_202_6_a1