Robert A. Sulanke. A determinant for q-counting n-dimensional lattice paths. Discrete Mathematics, 81(1):91-96, 1990. [doi]
@article{Sulanke90,
title = {A determinant for q-counting n-dimensional lattice paths},
author = {Robert A. Sulanke},
year = {1990},
doi = {10.1016/0012-365X(90)90182-H},
url = {http://dx.doi.org/10.1016/0012-365X(90)90182-H},
researchr = {https://researchr.org/publication/Sulanke90},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {81},
number = {1},
pages = {91-96},
}