@article{CRMATH_2005__341_2_123_0,
     author = {K.-G. Grosse-Erdmann and Alfredo Peris},
     title = {Frequently dense orbits},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {123--128},
     publisher = {Elsevier},
     volume = {341},
     number = {2},
     year = {2005},
     doi = {10.1016/j.crma.2005.05.025},
     language = {en},
}