Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1974__25_142292, author = {H.W. Jr. Lenstra}, title = {Rational {Functions} {Invariant} under a {Finite} {Abelian} {Group.}}, journal = {Inventiones mathematicae}, pages = {299--325}, publisher = {mathdoc}, volume = {25}, year = {1974}, zbl = {0292.20010}, url = {http://geodesic.mathdoc.fr/item/IM_1974__25_142292/} }
H.W. Jr. Lenstra. Rational Functions Invariant under a Finite Abelian Group.. Inventiones mathematicae, Tome 25 (1974), pp. 299-325. http://geodesic.mathdoc.fr/item/IM_1974__25_142292/