Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1972_202_4_a9, author = {V. Z. Feinberg}, title = {Finite ultrametric spaces}, journal = {Doklady Akademii Nauk}, pages = {775--778}, publisher = {mathdoc}, volume = {202}, number = {4}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_4_a9/} }
V. Z. Feinberg. Finite ultrametric spaces. Doklady Akademii Nauk, Tome 202 (1972) no. 4, pp. 775-778. http://geodesic.mathdoc.fr/item/DAN_1972_202_4_a9/