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@article{MZ_1976__149_172392, author = {John C. Lennox}, title = {Finitely {Generated} {Metabelian} {Groups} are not {Subnormality} {Separable.}}, journal = {Mathematische Zeitschrift}, pages = {201--202}, publisher = {mathdoc}, volume = {149}, year = {1976}, zbl = {0316.20027}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__149_172392/} }
John C. Lennox. Finitely Generated Metabelian Groups are not Subnormality Separable.. Mathematische Zeitschrift, Tome 149 (1976), pp. 201-202. http://geodesic.mathdoc.fr/item/MZ_1976__149_172392/