Sh:64

Bib entry
@article{Sh:64,
 author = {Shelah, Saharon},
 title = {{Whitehead groups may be not free, even assuming CH. I}},
 journal = {Israel J. Math.},
 fjournal = {Israel Journal of Mathematics},
 volume = {28},
 number = {3},
 year = {1977},
 pages = {193--204},
 issn = {0021-2172},
 doi = {10.1007/BF02759809},
 mrclass = {02K05 (04A20 05C15 54E30)},
 mrnumber = {0469757},
 mrreviewer = {Paul C. Eklof},
 doi = {10.1007/BF02759809}
}