%0 Journal Article %A CHAPOTON, F. %T ON THE NUMBER OF POINTS OVER FINITE FIELDS ON VARIETIES RELATED TO CLUSTER ALGEBRAS %J Glasgow mathematical journal %D 2011 %P 141-151 %V 53 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000777/ %R 10.1017/S0017089510000777 %F 10_1017_S0017089510000777