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@article{JRAM_1966__224_150772, author = {E.C. Weinberg}, title = {o-projective ordered abelian groups.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {219--220}, publisher = {mathdoc}, volume = {224}, year = {1966}, zbl = {0158.03301}, url = {http://geodesic.mathdoc.fr/item/JRAM_1966__224_150772/} }
E.C. Weinberg. o-projective ordered abelian groups.. Journal für die reine und angewandte Mathematik, Tome 224 (1966), pp. 219-220. http://geodesic.mathdoc.fr/item/JRAM_1966__224_150772/