@incollection{SB_1976-1977__19__1_0,
     author = {Borho, Walter},
     title = {Recent advances in enveloping algebras of semi-simple {Lie-algebras}},
     booktitle = {S\'eminaire Bourbaki : vol. 1976/77, expos\'es 489-506},
     series = {S\'eminaire Bourbaki},
     note = {talk:489},
     pages = {1--18},
     publisher = {Springer-Verlag},
     number = {19},
     year = {1978},
     mrnumber = {521756},
     zbl = {0394.17005},
     language = {en},
     url = {http://archive.numdam.org/item/SB_1976-1977__19__1_0/}
}