Revision history of "Join of two finite subnormal subgroups is subnormal"

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  • (cur | prev) 21:47, 12 May 2010Vipul (talk | contribs). . (431 bytes) (+431). . (Created page with '==History== This result was proved by Wielandt in ''Eine Verallgemeinerung der invarianten Untergruppen. Math. Z.45, 209–244 (1939).'' ==Statement== Suppose <math>H</mat…')