@article{10_4153_CJM_2003_032_8, author = {G\"obel, R\"udiger and Shelah, Saharon and Str\"ungmann, Lutz}, title = {Almost-Free {E-Rings} of {Cardinality} א1}, journal = {Canadian journal of mathematics}, pages = {750--765}, year = {2003}, volume = {55}, number = {4}, doi = {10.4153/CJM-2003-032-8}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-032-8/} }