On Formations of Finite Groups with the
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A Ballester-Bolinches; J Cossey; L.M Ezquerro
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Article
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2001
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Elsevier Science
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English
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## dedicated to k. doerk on his 60th birthday Given two subgroups U V of a finite group which are subnormal subgroups of their join U V and a formation , in general it is not true that U V = U V . A formation is said to have the Wielandt property if this equality holds universally. A formation wit