@article{10_4064_sm_32_1_17_22,
     author = {S. Rolewicz},
     title = {On orbits of elements},
     journal = {Studia Mathematica},
     pages = {17--22},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1969},
     doi = {10.4064/sm-32-1-17-22},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-32-1-17-22/}
}