%0 Journal Article %A E. P. Baranovskii %T Local density minima of a lattice covering of a four-dimensional Euclidean space by equal spheres %J Doklady Akademii Nauk %D 1965 %P 13-15 %V 164 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_164_1_a1/ %G ru %F DAN_1965_164_1_a1