TY - JOUR AU - S. S. Ryshkov AU - E. P. Baranovskii TI - $C$-types of $n$-dimensional lattices and 5-dimensional primitive parallelohedra (with application to the theory of coverings) JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1976 SP - 3 EP - 131 VL - 137 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1976_137_a0/ LA - ru ID - TM_1976_137_a0 ER -