%0 Journal Article %A A. R. Chekhlov %T On projective invariant subgroups of abelian groups %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2009 %P 31-36 %N 1 %U http://geodesic.mathdoc.fr/item/VTGU_2009_1_a4/ %G ru %F VTGU_2009_1_a4