@article{GDZPPN002351102, title = {Homogeneous Universal Modules.}, journal = {Mathematica Scandinavica}, volume = {28}, year = {1971}, pages = {187-196}, zbl = {0235.16017}, url = {http://dml.mathdoc.fr/item/GDZPPN002351102} }
Eklof, Paul C. Homogeneous Universal Modules.. Mathematica Scandinavica, Tome 28 (1971) pp. 187-196. http://gdmltest.u-ga.fr/item/GDZPPN002351102/