@article{05241655, title = {Quasi-linear algebras and integrability (the Heisenberg picture).}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {4}, year = {2008}, zbl = {1136.17019}, language = {en}, url = {http://dml.mathdoc.fr/item/05241655} }
Vinet, Luc; Zhedanov, Alexei. Quasi-linear algebras and integrability (the Heisenberg picture).. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 4 (2008) . http://gdmltest.u-ga.fr/item/05241655/