Jun Wang, Huajun Zhang. q-product theorem on the normality of posets. Adv. Appl. Math., 41(3):395-406, 2008. [doi]
@article{WangZ08-18,
title = {q-product theorem on the normality of posets},
author = {Jun Wang and Huajun Zhang},
year = {2008},
doi = {10.1016/j.aam.2007.11.005},
url = {https://doi.org/10.1016/j.aam.2007.11.005},
researchr = {https://researchr.org/publication/WangZ08-18},
cites = {0},
citedby = {0},
journal = {Adv. Appl. Math.},
volume = {41},
number = {3},
pages = {395-406},
}