Geodesic
Moduli of Abelian surfaces with a $(1,p^2)$ polarisation
Izvestiya. Mathematics, Tome 60 (1996) no. 5, pp. 893-900 
V. A. Gritsenko; G. K. Sankaran. Moduli of Abelian surfaces with a $(1,p^2)$ polarisation. Izvestiya. Mathematics, Tome 60 (1996) no. 5, pp. 893-900. http://geodesic.mathdoc.fr/item/IM2_1996_60_5_a2/
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     title = {Moduli of {Abelian} surfaces with a~$(1,p^2)$ polarisation},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The moduli space of abelian surfaces with a polarisation of type $(1,p^2)$ for $p$ a prime was studied by O'Grady in [7], where it is shown that a compactification of this moduli space is of general type if $p\geqslant 17$. We shall show that in fact this is true if $p\geqslant 11$. Our methods overlap with those of [7], but are in some important ways different. We borrow notation freely from that paper when discussing the geometry of the moduli space.

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