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by Patrice Ossona de Mendez; T-alike and T-opposite relations in Fraysseix-Rosenstiehl's planarity criterion.

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• (del) (cur) 10:54, 10 November 2005 . . en:User:Taxipom Taxipom ( en:User_talk:Taxipom Talk) . . 536x970 (29417 bytes) (by Patrice Ossona de Mendez; T-alike and T-opposite relations in Fraysseix-Rosenstiehl's planarity criterion.)