Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1972_16_1_a6, author = {J. S. Cassels}, title = {On {Kummer} sums}, journal = {Matematika}, pages = {157--164}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1972_16_1_a6/} }
J. S. Cassels. On Kummer sums. Matematika, Tome 16 (1972) no. 1, pp. 157-164. http://geodesic.mathdoc.fr/item/MAT_1972_16_1_a6/