@article{1104179628, author = {Narnhofer, H. and Thirring, W.}, title = {Quantum $K$-systems}, journal = {Comm. Math. Phys.}, volume = {120}, number = {3}, year = {1989}, pages = { 565-577}, language = {en}, url = {http://dml.mathdoc.fr/item/1104179628} }
Narnhofer, H.; Thirring, W. Quantum $K$-systems. Comm. Math. Phys., Tome 120 (1989) no. 3, pp. 565-577. http://gdmltest.u-ga.fr/item/1104179628/