@article{AIHPD_2016__3_2_139_0,
     author = {Delfosse, Nicolas and Z\'emor, Gilles},
     title = {A homological upper bound on critical probabilities for hyperbolic percolation},
     journal = {Annales de l{\textquoteright}Institut Henri Poincar\'e D},
     pages = {139--161},
     volume = {3},
     number = {2},
     year = {2016},
     doi = {10.4171/aihpd/27},
     mrnumber = {3506075},
     zbl = {1342.82075},
     language = {en},
     url = {http://archive.numdam.org/articles/10.4171/aihpd/27/}
}