@article{GDZPPN002345218, title = {On direct decompositions of torsionfree Abelian groups}, journal = {Mathematica Scandinavica}, volume = {5}, year = {1957}, pages = {230-235}, zbl = {0081.26202}, url = {http://dml.mathdoc.fr/item/GDZPPN002345218} }
JÓNSSON, BJARNI. On direct decompositions of torsionfree Abelian groups. Mathematica Scandinavica, Tome 5 (1957) pp. 230-235. http://gdmltest.u-ga.fr/item/GDZPPN002345218/