@article{ASENS_2003_4_36_2_225_0, author = {Ohta, Masami}, title = {Congruence modules related to {Eisenstein} series}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, pages = {225--269}, publisher = {Elsevier}, volume = {Ser. 4, 36}, number = {2}, year = {2003}, doi = {10.1016/S0012-9593(03)00009-0}, mrnumber = {1980312}, zbl = {1047.11046}, language = {en}, url = {http://www.numdam.org/articles/10.1016/S0012-9593(03)00009-0/} }