@article{10_4171_ggd_32,
     author = {Nikolai Gordeev and Fritz Grunewald and Boris Kunyavskii and Eugene Plotkin},
     title = {A commutator description of the solvable radical of a finite group},
     journal = {Groups, geometry, and dynamics},
     pages = {85--120},
     year = {2008},
     volume = {2},
     number = {1},
     doi = {10.4171/ggd/32},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/32/}
}