@article{10_1090_S1079_6762_04_00124_6,
     author = {Kamber, Franz and Michor, Peter},
     title = {Completing {Lie} algebra actions to {Lie} group actions},
     journal = {Electronic research announcements of the American Mathematical Society},
     pages = {1--10},
     publisher = {mathdoc},
     volume = {10},
     year = {2004},
     doi = {10.1090/S1079-6762-04-00124-6},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-04-00124-6/}
}