Sh:138

Bib entry
@article{Sh:138,
 author = {Sageev, Gershon and Shelah, Saharon},
 title = {{On the structure of $\mathrm{Ext}(A,\mathbf Z)$ in ZFC$^+$}},
 journal = {J. Symbolic Logic},
 fjournal = {The Journal of Symbolic Logic},
 volume = {50},
 number = {2},
 year = {1985},
 pages = {302--315},
 issn = {0022-4812},
 doi = {10.2307/2274216},
 mrclass = {20K35 (03E05 18G15 20K40)},
 mrnumber = {793108},
 mrreviewer = {O. V. Belegradek},
 doi = {10.2307/2274216}
}