@article{DAN_1982_265_4_a1,
     author = {Yu. V. Borovskii},
     title = {Two-sided closed ideals in the hyperenvelope of a semisimple {Lie} algebra},
     journal = {Doklady Akademii Nauk},
     pages = {782--784},
     publisher = {mathdoc},
     volume = {265},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_265_4_a1/}
}