Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1993_23_2a_8, author = {Chmieli\'nski Jacek}, title = {Set-valued isometries on the real line}, journal = {Novi Sad Journal of Mathematics}, pages = {101-111}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1993}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1993_23_2a_8/} }
Chmieliński Jacek. Set-valued isometries on the real line. Novi Sad Journal of Mathematics, Tome 23 (1993) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1993_23_2a_8/