@article{AIHPD_2016__3_4_429_0,
     author = {Crump, Iain and DeVos, Matt and Yeats, Karen},
     title = {Period preserving properties of an invariant from the permanent of signed incidence matrices},
     journal = {Annales de l{\textquoteright}Institut Henri Poincar\'e D},
     pages = {429--454},
     volume = {3},
     number = {4},
     year = {2016},
     doi = {10.4171/aihpd/35},
     zbl = {1355.05117},
     language = {en},
     url = {http://archive.numdam.org/articles/10.4171/aihpd/35/}
}