Jacques Labelle, Yeong-Nan Yeh. Dyck paths of knight moves. Discrete Applied Mathematics, 24(1-3):213-221, 1989. [doi]
@article{LabelleY89,
title = {Dyck paths of knight moves},
author = {Jacques Labelle and Yeong-Nan Yeh},
year = {1989},
doi = {10.1016/0166-218X(92)90286-J},
url = {http://dx.doi.org/10.1016/0166-218X(92)90286-J},
researchr = {https://researchr.org/publication/LabelleY89},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {24},
number = {1-3},
pages = {213-221},
}