@article{RM_1998_53_5_a2,
     author = {A. M. Vershik},
     title = {The universal {Urysohn} space, {Gromov} metric  triples and random metrics on the natural numbers},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {921--928},
     publisher = {mathdoc},
     volume = {53},
     number = {5},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1998_53_5_a2/}
}