@article{10_2307_121045,
     author = {Yves Andr\'e},
     title = {Gevrey series of arithmetic type. {I:} {Purity} and duality theorems},
     journal = {Annals of mathematics},
     year = {2000},
     volume = {151},
     number = {2},
     doi = {10.2307/121045},
     zbl = {1037.11049},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121045/}
}