Sh:106

Bib entry
@article{Sh:106,
 author = {Abraham, Uri and Shelah, Saharon},
 title = {{Martin's axiom does not imply that every two $\aleph_1$-dense sets of reals are isomorphic}},
 journal = {Israel J. Math.},
 fjournal = {Israel Journal of Mathematics},
 volume = {38},
 number = {1-2},
 year = {1981},
 pages = {161--176},
 issn = {0021-2172},
 doi = {10.1007/BF02761858},
 mrclass = {03E35 (03E50 26A99)},
 mrnumber = {599485},
 mrreviewer = {Thomas J. Jech},
 doi = {10.1007/BF02761858}
}