Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1975_9_3_a4, author = {N. I. Koblitz}, title = {Non-integrality of the periods of cusp forms outside the critical strip}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {52--55}, publisher = {mathdoc}, volume = {9}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1975_9_3_a4/} }
N. I. Koblitz. Non-integrality of the periods of cusp forms outside the critical strip. Funkcionalʹnyj analiz i ego priloženiâ, Tome 9 (1975) no. 3, pp. 52-55. http://geodesic.mathdoc.fr/item/FAA_1975_9_3_a4/