@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/