@article{JLT_1999_9_1_a0,
     author = {B. Fritzsche},
     title = {Sophus {Lie:} {A} {Sketch} of his {Life} and {Work}},
     journal = {Journal of Lie theory},
     pages = {001--038},
     year = {1999},
     volume = {9},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JLT_1999_9_1_a0/}
}