Geodesic
On an invariant of a double of quadrics
Izvestiya. Mathematics, Tome 9 (1975) no. 1, pp. 21-25 
A. N. Tyurin. On an invariant of a double of quadrics. Izvestiya. Mathematics, Tome 9 (1975) no. 1, pp. 21-25. http://geodesic.mathdoc.fr/item/IM2_1975_9_1_a2/
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Voir la notice de l'article provenant de la source Math-Net.Ru

It is shown how the Hesse curve and theta-characteristic of a bundle of quadrics can be used to reconstruct the initial bundle. The corresponding construction is used to prove the global Torelli theorem for the intersection of three quadrics. Bibliography: 2 items.