@article{MAN_1993__296_4_165092,
     author = {Siegfried Bosch and Werner L\"utkebohmert},
     title = {Formal and rigid geometry. {II.} {Flattening} techniques.},
     journal = {Mathematische Annalen},
     pages = {403--430},
     publisher = {mathdoc},
     volume = {296},
     number = {4},
     year = {1993},
     zbl = {0808.14018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165092/}
}