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Singular cases: are they not relevant? (Ma i casi singolari non contano nulla?) (Italian)
Lett. mat. Pristem, No. 26, 39-43 (1997).
The author debates the notion of singular case, with respect to conics, and shows how it can change with the definition of conics we take. She then argues that a correct presentation of singular cases is important and can offer a good test of the soundness of the whole general classification.
Classification: G70
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