@article{CM_1973__27_3_273_0,
     author = {Stewart, Ian},
     title = {A note on 2-step subideals of {Lie} algebras},
     journal = {Compositio Mathematica},
     pages = {273--275},
     publisher = {Noordhoff International Publishing},
     volume = {27},
     number = {3},
     year = {1973},
     mrnumber = {335584},
     zbl = {0276.17005},
     language = {en},
     url = {http://www.numdam.org/item/CM_1973__27_3_273_0/}
}