@article{GDZPPN00208905X,
title = {Formal Groups and Zeta-Functions of Elliptic Curves.},
journal = {Inventiones mathematicae},
volume = {14},
year = {1971},
pages = {321-336},
zbl = {0209.24602},
url = {http://dml.mathdoc.fr/item/GDZPPN00208905X}
}
Hill, W.L. Formal Groups and Zeta-Functions of Elliptic Curves.. Inventiones mathematicae, Tome 14 (1971) pp. 321-336. http://gdmltest.u-ga.fr/item/GDZPPN00208905X/