@article{GDZPPN002096978,
title = {Congruences of Cusp Forms and Special Values of Their Zeta Functions.},
journal = {Inventiones mathematicae},
volume = {64},
year = {1981},
pages = {225-262},
zbl = {0459.10018},
url = {http://dml.mathdoc.fr/item/GDZPPN002096978}
}
Hida, Haruzo. Congruences of Cusp Forms and Special Values of Their Zeta Functions.. Inventiones mathematicae, Tome 64 (1981) pp. 225-262. http://gdmltest.u-ga.fr/item/GDZPPN002096978/