@article{AIHPA_1991__54_4_331_0,
     author = {Martinet, Jean and Ramis, Jean-Pierre},
     title = {Elementary acceleration and multisummability. {I}},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {331--401},
     publisher = {Gauthier-Villars},
     volume = {54},
     number = {4},
     year = {1991},
     mrnumber = {1128863},
     zbl = {0748.12005},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1991__54_4_331_0/}
}