@article{AIF_2002__52_4_1075_0,
     author = {Druck, Suely and Fang, Fuquan and Firmo, Sebasti\~ao},
     title = {Fixed points of discrete nilpotent group actions on $S^2$},
     journal = {Annales de l'Institut Fourier},
     pages = {1075--1091},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {52},
     number = {4},
     year = {2002},
     doi = {10.5802/aif.1912},
     zbl = {1005.37019},
     mrnumber = {1926674},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1912/}
}