Geodesic
Etale topologies of schemes over fields of finite type over $\mathbf Q$
Izvestiya. Mathematics, Tome 37 (1991) no. 3, pp. 511-523 
V. A. Voevodskii. Etale topologies of schemes over fields of finite type over $\mathbf Q$. Izvestiya. Mathematics, Tome 37 (1991) no. 3, pp. 511-523. http://geodesic.mathdoc.fr/item/IM2_1991_37_3_a2/
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     title = {Etale topologies of schemes over fields of finite type over $\mathbf Q$},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The author proves a conjecture of Grothendieck concerning the possibility of recovering a normal scheme over a field of finite type over $\mathbf Q$ from its etale site.

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[3] Artin M., Grothendieck topologies, Harvard. Math. Dept. Lecture Notes, 1962

[4] Miln Dzh., Etalnye topologii, Mir, M., 1983 | MR | Zbl

[5] Grothendieck A. et al., Revements etales (SGA1), Lecture Notes in Math., 224, Springer-Verlag, Heidelberg, 1971 | MR | Zbl