%0 Journal Article %A S. N. Lubysheva %T Quadratic forms defining a complex of lines in a Euclidean 3-space %J Trudy Geometricheskogo Seminara %D 1983 %P 57-64 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1983_15_a8/ %G ru %F KUTGS_1983_15_a8