Irina A. Kurkova, Kilian Raschel. Explicit expression for the generating function counting Gessel's walks. Adv. Appl. Math., 47(3):414-433, 2011. [doi]
@article{KurkovaR11,
title = {Explicit expression for the generating function counting Gessel's walks},
author = {Irina A. Kurkova and Kilian Raschel},
year = {2011},
doi = {10.1016/j.aam.2010.11.004},
url = {https://doi.org/10.1016/j.aam.2010.11.004},
researchr = {https://researchr.org/publication/KurkovaR11},
cites = {0},
citedby = {0},
journal = {Adv. Appl. Math.},
volume = {47},
number = {3},
pages = {414-433},
}