Sh:139

Bib entry
@article{Sh:139,
 author = {Shelah, Saharon},
 title = {{On the number of nonconjugate subgroups}},
 journal = {Algebra Universalis},
 fjournal = {Algebra Universalis},
 volume = {16},
 number = {2},
 year = {1983},
 pages = {131--146},
 issn = {0002-5240},
 doi = {10.1007/BF01191760},
 mrclass = {20A15 (03C60 20F99)},
 mrnumber = {692252},
 mrreviewer = {U. Felgner},
 doi = {10.1007/BF01191760}
}