1. F. Breuer, The André-Oort conjecture for products of Drinfeld modular curves, preprint available at http://arxiv.org/abs/math.NT/0303038.
2. M.L. Brown, On a conjecture of Tate for elliptic surfaces over finite fields, Proc. London Math. Soc. (3) 69 (1994) 489–514.
3. Mazurs's Conjecture on higher Heegner points;Cornut;Invent. Math.,2002
4. Non-trivialité des points de Heegner;Cornut;C. R. Acad. Sci. Paris, Ser. I,2002
5. S.J. Edixhoven, Special points on products of modular curves, preprint available at http://arxiv.org/abs/math.NT/0302138.