@article{PMIHES_1974__43__169_0,
     author = {Williams, Robert F.},
     title = {Expanding attractors},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {169--203},
     year = {1974},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {43},
     doi = {10.1007/BF02684369},
     mrnumber = {50 #1289},
     zbl = {0279.58013},
     language = {en},
     url = {https://www.numdam.org/articles/10.1007/BF02684369/}
}