@article{IM_1993__113_2_144140,
     author = {Gilbert Levitt},
     title = {La dynamique des pseudogroupes de rotations.},
     journal = {Inventiones mathematicae},
     pages = {633--670},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1993},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__113_2_144140/}
}