Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1966_170_3_a8, author = {S. V. Smirnov}, title = {Positive definite functions on algebraic nilpotent groups over a discrete field}, journal = {Doklady Akademii Nauk}, pages = {524--525}, publisher = {mathdoc}, volume = {170}, number = {3}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_3_a8/} }
S. V. Smirnov. Positive definite functions on algebraic nilpotent groups over a discrete field. Doklady Akademii Nauk, Tome 170 (1966) no. 3, pp. 524-525. http://geodesic.mathdoc.fr/item/DAN_1966_170_3_a8/