%0 Journal Article %A È. È. Gasanov %T A~lower bound on the complexity of information networks for a~class of information search problems %J Diskretnaya Matematika %D 1992 %P 118-127 %V 4 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1992_4_3_a9/ %G ru %F DM_1992_4_3_a9