@article{10_4153_CMB_1994_018_7,
     author = {Tilly, Ben},
     title = {Derivations {Whose} {Iterates} are {Zero} or {Invertible} {On} a {Left} {Ideal}},
     journal = {Canadian mathematical bulletin},
     pages = {124--132},
     year = {1994},
     volume = {37},
     number = {1},
     doi = {10.4153/CMB-1994-018-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-018-7/}
}