@article{01638695,
title = {The umbral transfer-matrix method. IV: Counting self-avoiding polygons and walks.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {8},
year = {2001},
zbl = {0969.05006},
language = {en},
url = {http://dml.mathdoc.fr/item/01638695}
}
Zeilberger, Doron. The umbral transfer-matrix method. IV: Counting self-avoiding polygons and walks.. The Electronic Journal of Combinatorics [electronic only], Tome 8 (2001) . http://gdmltest.u-ga.fr/item/01638695/