@article{CMH_1948__21_138939,
     author = {Sophie Piccard},
     title = {Note sur les bases du groupe  sym\'etrique.},
     journal = {Commentarii mathematici Helvetici},
     pages = {142--149},
     publisher = {mathdoc},
     volume = {21},
     year = {1948},
     zbl = {0030.29206},
     url = {http://geodesic.mathdoc.fr/item/CMH_1948__21_138939/}
}