@article{ELA_1998__3__a8,
     author = {Fiedler, Miroslav},
     title = {Ultrametric sets in {Euclidean} point spaces},
     journal = {The electronic journal of linear algebra},
     pages = {23--30},
     publisher = {mathdoc},
     volume = {3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_1998__3__a8/}
}