@article{TM_1976_137_a0,
     author = {S. S. Ryshkov and E. P. Baranovskii},
     title = {$C$-types of $n$-dimensional lattices and 5-dimensional primitive parallelohedra (with application to the theory of coverings)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {3--131},
     publisher = {mathdoc},
     volume = {137},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1976_137_a0/}
}