@article{10_4153_CJM_1981_061_5,
     author = {Avis, David},
     title = {Hypermetric {Spaces} and the {Hamming} {Cone}},
     journal = {Canadian journal of mathematics},
     pages = {795--802},
     year = {1981},
     volume = {33},
     number = {4},
     doi = {10.4153/CJM-1981-061-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-061-5/}
}