@article{02248142,
title = {Permanents of Hessenberg (0,1)-matrices.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {12},
year = {2005},
zbl = {1086.15007},
language = {en},
url = {http://dml.mathdoc.fr/item/02248142}
}
Olesky, D.D.; Shader, Bryan; van den Driessche, P. Permanents of Hessenberg (0,1)-matrices.. The Electronic Journal of Combinatorics [electronic only], Tome 12 (2005) . http://gdmltest.u-ga.fr/item/02248142/