@article{BSMF_2003__131_4_587_0,
     author = {Bouffet, Magali},
     title = {Differential {Galois} {Theory} for an {Exponential} {Extension} of $\mathbb {C}((z))$},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {587--601},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {131},
     number = {4},
     year = {2003},
     doi = {10.24033/bsmf.2456},
     mrnumber = {2044496},
     zbl = {1070.12001},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2456/}
}