Geodesic
Quadrics of codimension 4 in $\mathbb C^7$ and their automorphisms
Matematičeskie zametki, Tome 64 (1998) no. 6, pp. 803-811 
E. G. Anisova. Quadrics of codimension 4 in $\mathbb C^7$ and their automorphisms. Matematičeskie zametki, Tome 64 (1998) no. 6, pp. 803-811. http://geodesic.mathdoc.fr/item/MZM_1998_64_6_a0/
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     title = {Quadrics of codimension 4 in $\mathbb C^7$ and their automorphisms},
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     url = {http://geodesic.mathdoc.fr/item/MZM_1998_64_6_a0/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

Automorphisms of nondegenerate $(4,3)$-quadrics are studied. We classify quadrics of this kind with nonlinear automorphisms and find the dimensions of their groups of automorphisms.

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