@article{JOLT_1993_3_2_a8,
     author = {K. H. Hofmann},
     title = { Ueber das 5. {Hilbertsche} {Problem}},
     journal = {Journal of Lie Theory},
     pages = {257--268},
     year = {1993},
     volume = {3},
     number = {2},
     zbl = {0806.22001},
     url = {http://geodesic.mathdoc.fr/item/JOLT_1993_3_2_a8/}
}