@article{1103900015, author = {Emch, G\'erard G.}, title = {Generalized $K$-flows}, journal = {Comm. Math. Phys.}, volume = {46}, number = {1}, year = {1976}, pages = { 191-215}, language = {en}, url = {http://dml.mathdoc.fr/item/1103900015} }
Emch, Gérard G. Generalized $K$-flows. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 191-215. http://gdmltest.u-ga.fr/item/1103900015/