@article{10_1017_S0017089510000777,
     author = {CHAPOTON, F.},
     title = {ON {THE} {NUMBER} {OF} {POINTS} {OVER} {FINITE} {FIELDS} {ON} {VARIETIES} {RELATED} {TO} {CLUSTER} {ALGEBRAS}},
     journal = {Glasgow mathematical journal},
     pages = {141--151},
     year = {2011},
     volume = {53},
     number = {1},
     doi = {10.1017/S0017089510000777},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000777/}
}