%0 Journal Article %A A. A. Malykh %A A. V. Mantsivoda %T Document models %J The Bulletin of Irkutsk State University. Series Mathematics %D 2017 %P 89-107 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2017_21_a6/ %G ru %F IIGUM_2017_21_a6