@article{CRMATH_2004__339_10_679_0,
     author = {Fischler, St\'ephane},
     title = {Spectres pour l'approximation d'un nombre r\'eel et de son carr\'e},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {679--682},
     publisher = {Elsevier},
     volume = {339},
     number = {10},
     year = {2004},
     doi = {10.1016/j.crma.2004.10.009},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.10.009/}
}