%0 Journal Article %A Salvatore Stella %A Pavel Tumarkin %T Exchange Relations for Finite Type Cluster Algebras with Acyclic Initial Seed and Principal Coefficients %J Symmetry, integrability and geometry: methods and applications %D 2016 %V 12 %U http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a66/ %G en %F SIGMA_2016_12_a66