@article{05309236, title = {Tridiagonal symmetries of models of nonequilibrium physics.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {4}, year = {2008}, doi = {10.3842/SIGMA.2008.056}, zbl = {1151.82366}, language = {en}, url = {http://dml.mathdoc.fr/item/05309236} }
Aneva, Boyka. Tridiagonal symmetries of models of nonequilibrium physics.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 4 (2008) . doi : 10.3842/SIGMA.2008.056. http://gdmltest.u-ga.fr/item/05309236/