@article{10_4153_CMB_1995_007_2,
     author = {Ferrero, Miguel},
     title = {Semisimplicity of {Free} {Centred} {Extensions}},
     journal = {Canadian mathematical bulletin},
     pages = {55--58},
     year = {1995},
     volume = {38},
     number = {1},
     doi = {10.4153/CMB-1995-007-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-007-2/}
}