@article{RM_1999_54_1_a15,
     author = {S. S. Ryshkov},
     title = {A~direct geometric description of the $n$-dimensional {Voronoi} parallelohedra of second type},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {264--265},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1999_54_1_a15/}
}