%0 Journal Article %A È. A. Kuz'min %A V. V. Ilyukhin %A N. V. Belov %T Separation of basic system from a vector system when the former includes several identical or inverted $k$-polyhedra. General case, Fedorov's group $P1$ %J Doklady Akademii Nauk %D 1971 %P 1346-1348 %V 201 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a15/ %G ru %F DAN_1971_201_6_a15