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@article{MZ_1973__131_171882, author = {F. Peter Lockett}, title = {On the {Theory} of {Fitting} {Classes} of {Finite} {Soluble} {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {103--116}, publisher = {mathdoc}, volume = {131}, year = {1973}, zbl = {0243.20015}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__131_171882/} }
F. Peter Lockett. On the Theory of Fitting Classes of Finite Soluble Groups.. Mathematische Zeitschrift, Tome 131 (1973), pp. 103-116. http://geodesic.mathdoc.fr/item/MZ_1973__131_171882/