@article{05377303,
title = {Variation of periods modulo },
journal = {The New York Journal of Mathematics [electronic only]},
volume = {14},
year = {2008},
pages = {601-616},
zbl = {1153.11028},
language = {en},
url = {http://dml.mathdoc.fr/item/05377303}
}
Silverman, Joseph H. Variation of periods modulo . The New York Journal of Mathematics [electronic only], Tome 14 (2008) pp. 601-616. http://gdmltest.u-ga.fr/item/05377303/