@article{1103899546, author = {Gorini, Vittorio and Sudarshan, E. C. G.}, title = {Extreme affine transformations}, journal = {Comm. Math. Phys.}, volume = {46}, number = {1}, year = {1976}, pages = { 43-52}, language = {en}, url = {http://dml.mathdoc.fr/item/1103899546} }
Gorini, Vittorio; Sudarshan, E. C. G. Extreme affine transformations. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 43-52. http://gdmltest.u-ga.fr/item/1103899546/