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Simultaneous rational zeros of quadratic forms. (English) Zbl 0492.10017

Théorie des nombres, Sémin. Delange-Pisot-Poitou, Paris 1980-81, Prog. Math. 22, 281-307 (1982).

MSC:

11E04 Quadratic forms over general fields
11P55 Applications of the Hardy-Littlewood method