@article{DAN_1973_212_1_a10,
     author = {S. S. Ryshkov},
     title = {$\mathrm{C}$-type of $n$-dimensional parallelehedra},
     journal = {Doklady Akademii Nauk},
     pages = {46--49},
     publisher = {mathdoc},
     volume = {212},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_1_a10/}
}