@article{05708893, title = {Bethe ansatz solutions to quasi exactly solvable difference equations.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {5}, year = {2009}, zbl = {1188.35158}, language = {en}, url = {http://dml.mathdoc.fr/item/05708893} }
Sasaki, Ryu; Yang, Wen-Li; Zhang, Yao-Zhong. Bethe ansatz solutions to quasi exactly solvable difference equations.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 5 (2009) . http://gdmltest.u-ga.fr/item/05708893/