%0 Journal Article %A ASSEM, IBRAHIM %A DUPONT, GRÉGOIRE %A SCHIFFLER, RALF %A SMITH, DAVID %T FRIEZES, STRINGS AND CLUSTER VARIABLES %J Glasgow mathematical journal %D 2012 %P 27-60 %V 54 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000322/ %R 10.1017/S0017089511000322 %F 10_1017_S0017089511000322