@article{MZM_2004_75_2_a8,
     author = {S. S. Ryshkov},
     title = {Infinite {Faces} of a {Perfect} {Voronoi} {Polyhedron}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {261--268},
     publisher = {mathdoc},
     volume = {75},
     number = {2},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_2_a8/}
}