Sh:311

Bib entry
@article{Sh:311,
 author = {Shelah, Saharon},
 title = {{A more general iterable condition ensuring $\aleph_1$ is not collapsed}},
 note = {\href{https://arxiv.org/abs/math/0404221}{arXiv: math/0404221}},
 arxiv_number = {math/0404221}
}