%0 Journal Article %A V. A. Tishchenko %T Building of references in unstructured data in a hypertext system for the NIKA database %J Informacionnye tehnologii i vyčislitelnye sistemy %D 2023 %P 60-66 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ITVS_2023_2_a5/ %G ru %F ITVS_2023_2_a5