%0 Journal Article %A A. Kh. Stash %T Some properties of oscillation indicators of solutions to a two-dimensional system %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2019 %P 48-51 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2019_5_a8/ %G ru %F VMUMM_2019_5_a8