@article{AFST_2005_6_14_2_185_0,
     author = {Bondil, Romain},
     title = {Geometry of superficial elements},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {185--200},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 14},
     number = {2},
     year = {2005},
     mrnumber = {2141180},
     zbl = {1101.13003},
     language = {en},
     url = {http://www.numdam.org/item/AFST_2005_6_14_2_185_0/}
}