@article{IM_1981__63_142792,
     author = {Michel Waldschmidt},
     title = {Transcendance et exponentielles en plusieurs variables.},
     journal = {Inventiones mathematicae},
     pages = {97--128},
     year = {1981},
     volume = {63},
     zbl = {0454.10020},
     url = {http://geodesic.mathdoc.fr/item/IM_1981__63_142792/}
}