TY - JOUR AU - Boyka Aneva TI - Tridiagonal Symmetries of Models of Nonequilibrium Physics JO - Symmetry, integrability and geometry: methods and applications PY - 2008 VL - 4 UR - http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a55/ LA - en ID - SIGMA_2008_4_a55 ER -