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21 September 2017
17 September 2017
- (diff | hist) . . Discriminant; 08:46 . . (+52) . . D.Lazard (→Homogeneity: fixing the explanation)
- (diff | hist) . . Discriminant; 08:42 . . (+124) . . D.Lazard (Reverted 1 edit by Anonymous Dissident (talk): Even if the expalnation is incorrect, the formula is true. (TW))