@article{SIGMA_2016_12_a66,
     author = {Salvatore Stella and Pavel Tumarkin},
     title = {Exchange {Relations} for {Finite} {Type} {Cluster} {Algebras} with {Acyclic} {Initial} {Seed} and {Principal} {Coefficients}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2016},
     volume = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a66/}
}