Andrew Rechnitzer. Haruspicy 3: The anisotropic generating function of directed bond-animals is not D-finite. Journal of Combinatorial Theory, Series A, 113(6):1031-1049, 2006. [doi]
@article{Rechnitzer06a,
title = {Haruspicy 3: The anisotropic generating function of directed bond-animals is not D-finite},
author = {Andrew Rechnitzer},
year = {2006},
doi = {10.1016/j.jcta.2005.09.010},
url = {http://dx.doi.org/10.1016/j.jcta.2005.09.010},
researchr = {https://researchr.org/publication/Rechnitzer06a},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {113},
number = {6},
pages = {1031-1049},
}