@article{10_37236_9174,
     author = {Barnab\'as Janzer},
     title = {Projections of antichains},
     journal = {The electronic journal of combinatorics},
     year = {2020},
     volume = {27},
     number = {1},
     doi = {10.37236/9174},
     zbl = {1435.05196},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/9174/}
}