TY - JOUR AU - Philippe Di Francesco AU - Rinat Kedem TI - Positivity of the \(T\)-system cluster algebra JO - The electronic journal of combinatorics PY - 2009 VL - 16 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/229/ DO - 10.37236/229 ID - 10_37236_229 ER -