%0 Journal Article %A B. B. Venkov %T Even unimodular extremal lattices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1984 %P 43-48 %V 165 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1984_165_a4/ %G ru %F TM_1984_165_a4