@article{1183514552, author = {Hille, Einar}, title = {Lie theory of semi-groups of linear transformations}, journal = {Bull. Amer. Math. Soc.}, volume = {56}, number = {6}, year = {1950}, pages = { 89-114}, language = {en}, url = {http://dml.mathdoc.fr/item/1183514552} }
Hille, Einar. Lie theory of semi-groups of linear transformations. Bull. Amer. Math. Soc., Tome 56 (1950) no. 6, pp. 89-114. http://gdmltest.u-ga.fr/item/1183514552/