Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2001_69_2_a18, author = {V. I. Trofimov}, title = {On a {Property} of {Urysohn's} {Universal} {Metric} {Space}}, journal = {Matemati\v{c}eskie zametki}, pages = {319--320}, publisher = {mathdoc}, volume = {69}, number = {2}, year = {2001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2001_69_2_a18/} }
V. I. Trofimov. On a Property of Urysohn's Universal Metric Space. Matematičeskie zametki, Tome 69 (2001) no. 2, pp. 319-320. http://geodesic.mathdoc.fr/item/MZM_2001_69_2_a18/