TY - JOUR AU - Fatemeh Karimi TI - On the cotypeset of torsion-free abelian groups JO - Algebra and discrete mathematics PY - 2015 SP - 200 EP - 212 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2015_19_2_a4/ LA - en ID - ADM_2015_19_2_a4 ER -