TY - JOUR AU - A. R. Chekhlov TI - On properties of centrally invariant and commutatorically invariant subgroups of abelian groups JO - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika PY - 2009 SP - 85 EP - 99 IS - 2 UR - http://geodesic.mathdoc.fr/item/VTGU_2009_2_a10/ LA - ru ID - VTGU_2009_2_a10 ER -