@article{10_4153_CMB_2011_014_x,
     author = {Johnson, Marianne and St\"ohr, Ralph},
     title = {Lie {Powers} and {Pseudo-Idempotents}},
     journal = {Canadian mathematical bulletin},
     pages = {297--301},
     year = {2011},
     volume = {54},
     number = {2},
     doi = {10.4153/CMB-2011-014-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-014-x/}
}