Sh:242

Bib entry
@article{Sh:242,
 author = {Blass, Andreas R. and Shelah, Saharon},
 title = {{There may be simple $P_{\aleph_1}$- and $P_{\aleph_2}$-points and the Rudin-Keisler ordering may be downward directed}},
 journal = {Ann. Pure Appl. Logic},
 fjournal = {Annals of Pure and Applied Logic},
 volume = {33},
 number = {3},
 year = {1987},
 pages = {213--243},
 issn = {0168-0072},
 doi = {10.1016/0168-0072(87)90082-0},
 mrclass = {03E35 (03E05)},
 mrnumber = {879489},
 mrreviewer = {A. Kanamori},
 doi = {10.1016/0168-0072(87)90082-0}
}