@article{10_37236_11084,
     author = {Sam Hopkins},
     title = {A note on {M\"obius} functions of upho posets},
     journal = {The electronic journal of combinatorics},
     year = {2022},
     volume = {29},
     number = {2},
     doi = {10.37236/11084},
     zbl = {1547.06012},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/11084/}
}