%0 Journal Article %A A. N. Sharkovskii %T Partially ordered system of attracting sets %J Doklady Akademii Nauk %D 1966 %P 1276-1278 %V 170 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_6_a10/ %G ru %F DAN_1966_170_6_a10