%0 Journal Article %A S. Yu. Antonov %A A. V. Antonova %T To Chang theorem. III %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2018 %P 128-143 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2018_18_2_a0/ %G ru %F ISU_2018_18_2_a0