%0 Journal Article %A N. A. Grigor'ev %T Regular simplexes inscribed into a~cube and Hadamard matrices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1980 %P 87-88 %V 152 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1980_152_a3/ %G ru %F TM_1980_152_a3