Sh:172

Bib entry
@article{Sh:172,
 author = {Shelah, Saharon},
 title = {{A combinatorial principle and endomorphism rings. I. On $p$-groups}},
 journal = {Israel J. Math.},
 fjournal = {Israel Journal of Mathematics},
 volume = {49},
 number = {1-3},
 year = {1984},
 pages = {239--257},
 issn = {0021-2172},
 doi = {10.1007/BF02760650},
 mrclass = {16A99 (03E20 16A65 20K30)},
 mrnumber = {788269},
 mrreviewer = {John T. Baldwin},
 doi = {10.1007/BF02760650}
}