@article{10_21136_CMJ_1983_101885,
     author = {Bandelt, Hans-J\"urgen},
     title = {Tolerances on median algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {344--347},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1983},
     doi = {10.21136/CMJ.1983.101885},
     mrnumber = {718918},
     zbl = {0538.08003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101885/}
}