@article{MM2_1993__81_3-4_155909,
     author = {Herv\'e Thomas},
     title = {Etage initial d'une {Zl-extension.}},
     journal = {Manuscripta mathematica},
     pages = {413--436},
     publisher = {mathdoc},
     volume = {81},
     number = {3-4},
     year = {1993},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/MM2_1993__81_3-4_155909/}
}