@article{ASENS_2003_4_36_2_173_0,
     author = {Arnaud, Marie-Claude},
     title = {Approximation des ensembles $\omega $-limites des diff\'eomorphismes par des orbites p\'eriodiques},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {173--190},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 36},
     number = {2},
     year = {2003},
     doi = {10.1016/S0012-9593(03)00006-5},
     zbl = {1024.37011},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/S0012-9593(03)00006-5/}
}