%0 Journal Article %A BJARNI JÓNSSON %T On direct decompositions of torsionfree Abelian groups %J Mathematica Scandinavica %D 1957 %P 230-235 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1957__5_165662/ %F MS2_1957__5_165662