%0 Journal Article %A N. A. Baklanova %T Undecidability of Elementary Theories of Rogers Semilattices on Limit Levels of Hyperarithmetical Hierarchy %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2011 %P 3-7 %V 11 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2011_11_4_a0/ %G ru %F VNGU_2011_11_4_a0