%0 Journal Article %A S. S. Ryshkov %A E. P. Baranovskii %T $C$-types of $n$-dimensional lattices and 5-dimensional primitive parallelohedra (with application to the theory of coverings) %J Informatics and Automation %D 1976 %P 3-131 %V 137 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1976_137_a0/ %G ru %F TRSPY_1976_137_a0