Mark Dukes, Astrid Reifegerste. The area above the Dyck path of a permutation. Adv. Appl. Math., 45(1):15-23, 2010. [doi]
@article{DukesR10,
title = {The area above the Dyck path of a permutation},
author = {Mark Dukes and Astrid Reifegerste},
year = {2010},
doi = {10.1016/j.aam.2009.11.008},
url = {https://doi.org/10.1016/j.aam.2009.11.008},
researchr = {https://researchr.org/publication/DukesR10},
cites = {0},
citedby = {0},
journal = {Adv. Appl. Math.},
volume = {45},
number = {1},
pages = {15-23},
}