%0 Journal Article %A A. B. Vasil'eva %T Contribution то the stability problem for the solutions belonging to the contrast structures %J Matematičeskoe modelirovanie %D 1990 %P 119-125 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1990_2_1_a10/ %G ru %F MM_1990_2_1_a10