@article{TRSPY_2006_252_a18,
     author = {Y. Nishimura},
     title = {Multipolytopes and {Convex} {Chains}},
     journal = {Informatics and Automation},
     pages = {224--236},
     publisher = {mathdoc},
     volume = {252},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2006_252_a18/}
}