%0 Journal Article %A V. I. Bliznikas %T Cross sections of spaces of support elements %J Trudy Geometricheskogo Seminara %D 1975 %P 16-40 %V 8 %U http://geodesic.mathdoc.fr/item/KUTGS_1975_8_a3/ %G ru %F KUTGS_1975_8_a3