Richard P. Stanley. Weyl Groups, the Hard Lefschetz Theorem, and the Sperner Property. SIAM J. Matrix Analysis Applications, 1(2):168-184, 1980. [doi]
@article{Stanley80-1,
title = {Weyl Groups, the Hard Lefschetz Theorem, and the Sperner Property},
author = {Richard P. Stanley},
year = {1980},
doi = {10.1137/0601021},
url = {http://dx.doi.org/10.1137/0601021},
researchr = {https://researchr.org/publication/Stanley80-1},
cites = {0},
citedby = {0},
journal = {SIAM J. Matrix Analysis Applications},
volume = {1},
number = {2},
pages = {168-184},
}