@article{IM_1980__56_142697,
     author = {J. Boidol},
     title = {*-Regularity of {Exponential} {Lie} {Groups.}},
     journal = {Inventiones mathematicae},
     pages = {231--238},
     publisher = {mathdoc},
     volume = {56},
     year = {1980},
     zbl = {0423.22008},
     url = {http://geodesic.mathdoc.fr/item/IM_1980__56_142697/}
}