%0 Journal Article %A A. R. Chekhlov %T On properties of centrally invariant and commutatorically invariant subgroups of abelian groups %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2009 %P 85-99 %N 2 %U http://geodesic.mathdoc.fr/item/VTGU_2009_2_a10/ %G ru %F VTGU_2009_2_a10