%0 Journal Article %A S. S. Ryshkov %T A~direct geometric description of the $n$-dimensional Voronoi parallelohedra of second type %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 264-265 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_1_a15/ %G en %F RM_1999_54_1_a15